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Essay About Telescopes In Astronomy
1. Essay about Telescopes in Astronomy
Telescopes in Astronomy
Once upon a time, we believed the Earth was at the center of our universe. We were seriously mistaken. We have come to find that at the center of
most galaxies is a giant black hole that keeps everything together. With the use of telescopes, we have made it possible to see the "impossible". We are
able to see the geographic landscape of distant planets and moons. Telescopes have made it possible to measure the speed of light, understand gravity,
and grasp other laws of physics. Will the innovation of telescopes, we can detect stars by studying the heat and what kind of radioactive rays they
emit. It is exciting to think of how our knowledge of the heavens will be greatened in the future with the development of...show more content...
Optical and infrared telescope need to be in warm, high areas to be most effective. High altitude is key, to avoid local weather and atmospheric
activities. Building telescopes in on the west coast in also popular to avoid pollutants in the air. Radio telescopes are most effective in low valleys.
These valleys help block radio rays from outside sources. Radio frequency interference continues to become an arising problem with these kinds of
telescopes. More of these telescopes will be built in less populated areas (such as Australia) in order to insure efficiency.
Telescopes in space are an essential resource for detecting ultraviolet, Xârays, and gamma rays for our research. With telescopes in space, we avoid
atmospheric issues and get clearer images from space. Unfortunately, these telescopes cost a lot of money. Their lifespan is also affected depending
on how much fuel the telescopes can carry. There is also a great risk when launching these telescopes. Many of these missions have failed at the
launch point. Once in space, these telescopes can be damaged from debris in space, solar flares, or even cosmic rays. Size is also an issue. It takes
certain elements to make sure that these telescopes and their mirrors don't warp when in space. This turns out to be yet another expensive factor.
Maintenance and upgrades are usually pretty simple for ground level telescopes. When it comes to the one's in space, it is nearly impossible to maintain
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2. Astronomy Essay
One thing us as humans have never been able to fully understand is astronomy. Always having an unexplained mystery, astronomy also has served as a
way to keep time and predict the future. The word "astronomy" is defined as the study of heavenly bodies, meaning anything in the sky such as stars,
galaxies, comets, planets, nebulae, and so on. Many people, if not everyone, is amazed by the night sky on a clear, moonless night.
Astronomy dates back to ancient times when peoples such as the Babylonians, Egyptians, and Chinese kept written records of astronomical events and
occurrences. Today's seven day week originates from the Babylonians' seven important bodies in the night sky: the Sun, Moon, Mars, Mercury,...show
more content...
A wide array of instruments is used to observe heavenly bodies today. These instruments include optical telescopes which are used to magnify objects
that emit visible light. Some celestial bodies are very difficult or impossible to see with optical telescopes. To see these, we use radio, Xâray,
ultraviolet, or infrared instruments. An advantage of radio astronomy is the fact that radio waves aren't stopped by the sun or clouds, therefore the stars
can be observed at any time.
Our own solar system today is thought to have formed from a large, single cloud of dust and gas. The center of the cloud became dense enough and
created enough energy from contraction to spark a nuclear reaction, forming the Sun. The remaining dust and ice in the cloud formed into the nine
planets we know of today. Other objects within the solar system include comets, asteroids, meteorites, interplanetary dust and plasma.
Any star that we can see belongs to our own galaxy, the Milky Way. Stars do not exist outside of galaxies in empty space, rather in galaxies which are
groups of billions of stars orbiting the center of the galaxy (Fradin 140). Every star has a color ranging from red to blueâwhite. These colors tell us
many things about each star. Also, a star's
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3. Astronomy Observations
Astronomy Observing Report.
On Monday, June 26, I had the opportunity to observe some planets and stars with the help of professor Lowry and his amazing telescope. What I saw
and learned that night about Saturn, Jupiter and the constellations was remarkable and complemented what I have being learning in my astronomy
course. The night of the observation was a clear night. The sun was out, it was 9:30 pm and we could see the yellow and orange spectrum of the sun.
This was a great example of what happen to the Northern Hemisphere in June solstice, when days are longer. That bright night I saw the planetEarth
satellite "our beautiful moon" growing larger and on waxing crescent phase. Looking in the telescope I saw the craters made by the impact
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4. Astronomy Essay
Aim
Introduction
Since man has looked to the heavens, he has used some form of identification to recognize the "stars". Early man named the constellations he could see
in his own ways. Even the ancient Australian Aboriginals used stories of the stars to identify times of the year for different things, be it song lines,
migration, vegetation growth and ripening, the list goes on. The Australian Aboriginals today still refer to theMilky Way's galactic centre and coal sack
nebula, as they are seen from earth, as the Emu; as it traverses the sky and ultimately out of visual, the song line changes and talks about it crossing the
land. The point being that man has always used some form of classification to discuss objects within the...show more content...
Essentially these preâdate the ability to distinguish between true gaseous nebulae and a galaxy. http://www.astro.bas.bg/~petrov/keel06_files/galaxies
/classify.html Figure 1 Wolf Classification Scheme 1908 cited by W. Keel (Keel, 2006)
Much like climatologists looking at global warming, gather data to see what has from looking at core samples of the permafrost, using this data to
make reasonable hypotheses about what our climate will do in the future; we, humans, want to know more about what's happening in the universe,
including confirming the assumption that life exists beyond our solar system. To do this, Astronomers when looking to the skies, are looking into
the past. Why? One of the universal constants, light. Light has a finite speed and as a result of the tyranny of distance, light can only travel so far in
a given Earth Year. This means that when we are observing galaxies today, we are looking into the past, hundreds of thousands of years to billions of
years ago. However, just looking at galaxies is not good enough to be able to make these hypotheses. Wolf
Wider community?
There are many Sky surveys being undertaken, from the
Galaxy 1 Classification Galaxy 1 Supplied by (The University of Southern Queensland, 2017)
Classification
Shows flat disk type galaxy with a spiral pattern. A bulging centre is identified, however it does not appear to
6. Reflective Essay On Astronomy
The last time I remember learning about astronomy formally was as far back as elementary school, where we learned about the basics of our solar
system's planets and other ideas about space commonly known by most people. Having never studied astronomy at a higher level, going into this
class felt similar to traveling to a foreign country, or sailing in foreign waters, so to speak. Many of the concepts and facts have been things I have
had little to no prior knowledge of. But regardless of any of that, I cannot express the importance of this area of study in my life. In the past I have
read comments online, as well as heard things in real life, about how some subjects have no value in being studied unless one is majoring in them.
While my major is not astronomy, much less even science, I still could not disagree more with this sort of thought. I can relate to some of the
concepts of astronomy on a very deep and personal level, to the point where my psychological state is affected, and I will explain these thoughts in
detail later. While these areas of great interest have not yet been covered in the course, I cannot say that I have not found all of the current topics
fascinating. As one who has a deep interest in mathematics, I found a few of the concepts rather thought provoking, and I will again this later. I will
lastly discuss what I thought of the material as a whole, what I got most out of it, and what my experiences were during and after learning it. Out of
everything
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7. Astronomy Research Paper
Michael Wachter
Period 5 9/1/15
Astronomy Project Research Paper
The History of Astronomy Astronomy (Before 500 BC) has been around since the first humans looked to the stars and wondered what the lights in the
sky were. Many early cultures revolved around the stars in the sky, and the Mayan culture was one of the most successful, due to their long standing
religions that are based off the sun, moon, and different seasons of the year. Stonehenge is a prehistoric monument located in Wiltshire, England,
scientists believed that this monument was used for predicting when the summer and winter solstices were going to happen, and making calendars for
each year that would correctly present the seasons. Mayans believed that the stars in the night...show more content...
It also includes the time that we landed on the moon, and launched more than a few satellites into orbit to see what the solar system was all about, or
what it looked like for that matter. Modern astronomy has been one of the driving forces behind the development of the technology here on earth.
Computers were used on the space missions, and now we have computers everywhere, satellites were used to relay information, and now they are used
to relay TV and phone
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8. Socrates On Astronomy
Astronomer According to Socrates, a famous philosopher from Athens, Greece, "Man must rise above the Earthâto the top of the atmosphere and
beyondâfor only thus will he fully understand the world in which he lives." Socrates believes that astronomy can help other people understand the
world better. Astronomy is the study of space, and in order for someone to to be an astronomer, they have to learn a lot of math and science and be
good at it. Astronomy is not a big science field either, but there are a lot of different people employing for it. Astronomy helps people understand the
world and that they are not the most important part of it, and that they are just a small part of it. Astronomers have a lot they need to do because of
their jobs. They have to study the origins of the universe and what happens in space ("Physicists and Astronomers"). One thing they have to watch for
in space, is to watch out for comets that could possibly hit Earth. If they do not see a comet, they can put many people at risk. If a large comet hits
earth, it can end up changing the climate a little. Astronomers do not look through telescopes to do this though. They mostly view space through
pictures the telescopes send to computers, and when they have to view at computers for a long time, their eyes can end up strained ("Astronomer").
Because of how much work they have to do, they have to be able to concentrate well, for longer periods of time. Some other things they need to be
able to do are
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9. I Want To Be An Astronomer
When I grow up, I want to have a career in astronomy. Astronomers study planets, celestial bodies, stars, and galaxies ("Summary"). I love answering
difficult, deep questions and learning how the galaxie works. I've always had an interest in outer space and in other worlds and would love a career in
which I can let my curiosity fuel me. It is important to understand the education or training requirements, skills or talents needed, salary and benefits
offered, and the duties for becoming an astronomer when making this decision. Although most work in offices, some astronomers visit observatories
multiple times a year ("Summary"). While most hours are standard office hours, nights provide the clearest view of the sky, therefore creating the
perfect conditions for observing. This means occasionally astronomers work nights in order to achieve their goals. Most of the time travel is required in
order to present ideas, use different equipment, or see different parts of the sky, but where you work will depend on who you work for and what you
are studying. If I indeed become an astronomer my daily life will consist of developing theories, conducting scientific experiments, and writing and
presenting findings and proposals ("Summary"). For example, if I want to study the effects unknown material will have on a satellite, I would develop
a hypothesis and test it using an electron particle accelerator. I will also deal with complex math calculations, which is good because I enjoy
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10. A Career In Astronomy
A young boy is walking through the mall and sees an advertisement that The Hunger Games is coming out soon in theaters. He has always wanted to
see it, and begs his mom for money. This is the kind of excitement that a film editor can bring to the films they make. The final changes in the movie
can make or break how well the movie connects to the audience. Becoming a film and video editor is a better career choice for me than an astronomer
because of education, job environment, and skills. Film editors must be very tech savvy, for the majority of film editing is accomplished digitally on
computers ("How"). However, they do not have to be able to perform complicated tasks such as programming and writing code. Instead, they have an
interface...show more content...
To be a film editor one needs to have a high school diploma or a GED, and then pursue a four year college or university to study broadcasting and film
("How"). There are many schools with reputable film departments where future film editors learn about the whole spectrum of filmmaking, "
preâproduction and planning, scriptwriting, cinematography, lighting, set design..." ("How"). It is important to test and explore the required skills
before committing to a new career. A solid high school education can introduce career options based on innate interests. Astronomy requires a higher
level academic rigour that is meant to weed out the selective few that will become future astronomers. It is important to pursue a rigorous math and
science curriculum in school, as they are the main subjects used in astronomy ("Careers in Astronomy," American). Astronomy majors require more
advanced degrees, which differs from the career of film editing. Astronomers must have a PhD to work in observatories, according to Daniel Devost
it is, "3 to 6 years of graduate college studies"(qtd. in Cullen). This could accumulate to 10 years of post high school education, which is undesirable
because the expenses would be high, with minimal income. Obtaining a college degree after four to five years is a preferable pathway for me because
I am more interested in a handsâon experience. A
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11. History of Astronomy
HISTORY OF ASTRONOMY
Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, and astrological practices of
preâhistory: vestiges of these are still found in astrology, a discipline long interwoven with public and governmental astronomy, and not completely
disentangled from it until a few centuries ago in the Western World . In some cultures astronomical data was used for astrological prognostication.
Ancient astronomers were able to differentiate between stars and planets, as stars remain relatively fixed over the centuries while planets will move an
appreciable amount during a comparatively short time.
Early history
Early cultures identified celestial objects with...show more content...
The original mechanism is displayed in the Bronze collection of the National Archaeological Museum of Athens, accompanied by a replica. India
Ancient Indian astrology is based upon sidereal calculation. The sidereal astronomy is based upon the stars and the sidereal period is the time that it
takes the object to make one full orbit around the Sun, relative to the stars. It can be traced to the final centuries BC with the Vedanga Jyotisha
attributed to Lagadha, one of the circumâVedic texts, which describes rules for tracking the motions of the Sun and the Moon for the purposes of ritual.
After formation of IndoâGreekkingdoms, Indian astronomy was influenced by Hellenistic astronomy (adopting the zodiacal signs or rĐĐĐâșis). Identical
numerical computations for lunar cycles have been found to be used in India and in early Babylonian texts.[11]
Astronomy was advanced during the Sunga Empire and many star catalogues were produced during this time. The Sunga period is known as the
"Golden age of astronomy in India".
China
The astronomy of East Asia began in China. Solar term was completed in Warring States Period. The knowledge of Chinese astronomy was introduced
into East Asia.
Astronomy in China has a long history. Detailed records of astronomical observations were kept from about the 6th century BC,
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12. Ancient Greek Astronomy Essay
Ancient Greek Astronomy
Since the first Egyptian farmers discovered the annual reappearance of Sirius just before dawn a few days before the yearly rising of the Nile, ancient
civilizations around the Mediterranean have sought to explain the movements of the heavens as a sort of calendar to help guide them conduct earthly
activities. Counting phases of the moon or observing the annual variations of day length could, after many years' collection of observations, serve as
vital indicators for planting and harvesting times, safe or stormy season for sailing, or time to bring the flocks from winter to summer pastures. With
our millennia of such observation behind us, we sometimes forget that seeing and recording anything less obvious than...show more content...
There are hints of the Greek conception of the universe in Homer, who mentions many subjects on his two epics describing war and the perils of
trying to come home after long absence. For Homer, heaven is a solid inverted bowl straddling the earth, with fiery, gleaming "aither" above the
cloudâbearing air. Homer mentions the movements of sun, moon, and many stars by name. The fact that Hades is on the underside of earth has an
important impact on conceptions of heaven: it is unlit by the sun, therefore, the sunââand by extension, other heavenly bodiesââ must sink only to the
level of Ocean, which is conceived as a river circling earth's edge. From it the Sun must also riseââthough how it gets back to the eastern bank of
Ocean is never explained. These popular conceptions of sky are more fully explained in Hesiod, whose works on gods, on agriculture, and
animalâherding are more closely connected to the practical application of astronomy. He clocks spring, summer, and harvest by solstices and the rising
and setting of certain stars, and notices that the sun migrates southwards in winter
As the Greeks began to travel and explore, their ideas of the order of the universe began to change. Many Greeks settled on the coast of Turkey in the
early migrations of the eleventh century BCE, and there enjoyed rich cultural mingling with their neighbors the Lydians and Persians, latest
descendents of Mesopotamian civilization. They kept in
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14. Astronomy : My Goals In Life, My Dream Career
The study of celestial objects, space, and the physical universe as a whole, also known as Astronomy. That's my goal in life, my dream career. It'd
be an honor to work for the National Aeronautics and Space Administration (NASA) and have any type of involvement with them. Something I've
wanted and was sure of at the age of 12. I know that, in order to be an astronomer, I need more understanding of the science field and further
knowledge. I know that, for this type of career, there will be further more years into this but in the end it'll be all worth it. Once with a degree,
which I'm still indecisive which will be the best for me, I'll be very proud of myself for getting that far. My goal has always been to successfully
graduate, receive my high school diploma and to attend a two year college. Later on, I will transfer to a University for the rest of my college years.
Since Astronomy is my dream career, I will take classes relating to this subject, filling in the years that I didn't take. In order to achieve these goals,
I really have to dedicate all my time on my education. Something that I really don't mind because at the end, it'll all be worth it. Staying dedicated is
key. Something that I love about myself is that I'm ready to learn and ready to try my best.I can proudly say that I'm content with my academic
achievements, and scores. Since i was in kindergarden, I've always had good grades. Nothing has changed and I hope it stays that way. College is
going to be a
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15. Astronomy Essay
Astronomy
Astronomy is not just about the stars. Astronomy is about the constellations, the nine planets, the sun and the moons. The solar system is very complex
and has many extraordinary objects. There are four different types of stars: Protostars, Bright Stars, Red Giants, and White Dwarfs. Protostars are stars
that are on the verge of being born. They are glowing clouds of dust and gas. Gravity pulls on every atom moving them towards the center of the
cloud of dust, which causes the Protostar to collapse. Over a period of twenty million years the star begins to form and 10 million years after the
pocket of gas was formed, a star is born.
The second types of stars are called Bright Stars. They are formed when the new star...show more content...
Because it is so hot it gives off a glowing white light. This star is called a "White Dwarf" because of its color. Out of the twenty stars that are closest to
the Earth, two are White Dwarfs. The next big thing about the solar system is the Planets. The nine planets play a big part in our solar system.
Astronomers have been studying them for a long time but there are still many things to learn about them. The nine planets are Earth, Jupiter, Uranus,
Pluto, Saturn, Neptune, Mars, Venus, and Mercury.
Mercury is also known as the planet of Hot days and Cold nights and it is the closest planet to the sun. It has the shortest year out of all the other
planets, which is 88 days long and is half the size of Earth. Mercury orbits the sun at an average distance of 36 million miles. Daytime temperatures of
Mercury can reach up to 800 degrees Fahrenheit. At night they can get down as low as â279 degrees Fahrenheit.
Venus, also known as Cauldron, has a yearlong period of 243 Earth days. It is the second planet away from the sun and can reach ovenâlike
temperatures up to 475 degrees Fahrenheit, even at night. Venus is a very bright planet, totally surrounded by clouds. "It is the sunlight reflected off
these clouds that makes the planet so bright" (Ridpath 24). This planet is very unique compared to the other planets because scientists discovered that
Venus actually rotates backwards also.
Mars, also known as the red planet, has air so thin that a
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16. Women In Astronomy Essay
Monica Neira
Astro 1105
Professor Kornreich
5 August 2015
Women in Astronomy
Throughout history, women have always stood in the shadows of men for power, recognition, and praise. Their roles throughout history consisted
primarily of tending to the house and children. Even when they were able to attain jobs, they were of little intellectual stimulation such as secretarial
work. Fortunately, women have never let the maleâ dominated cultures of their time hinder their involvements and advancements within the academic
realms. Three women from the ancient, middle, and modern periods provide examples of female persistence within the field of astronomy that reflects a
longâtime battle for gender involvement in academia. Despite the common theme...show more content...
Although the misogyny women have faced in the passed has settled a bit, it still exists. Even today, women within scientific fields are struggling to be
held to the same esteem of men, however female contributions throughout history and today cannot be undermined. Ms. Armstrong captured the
essence of women in astronomy best as she stated, "Astronomy was never just a man's field. Women have always studied the night sky" (Cecilia
PayneâGaposchkin).
Works Cited
"Brahe, Sophia." March 2012. Astronomy. .
"Cecilia PayneâGaposchkin." 2015. She is an Astronomer. .
Gordon, Robin. "Sophie Brahe: Carrier of Sulphur." 2015. womenalchemists. .
"Hypatia." 2008. The Woman Astronomer. .
"Hypatia â 4th Century Woman Astronomer." 29 July 2010. Space Daily. .
17. HYPATIA of Alexandria, the Last Philosopher of the Hellenistic Era and her Brutal Assassination. By Yannis Yalamas. Dir. Yannis Yalamas. 2008.
"Sophia Brahe." 2015.
.
"Sophia Brahe Helped Map Planets." 11 March 2002. Gazette. .
Turner, Jean. "Cecilia Helena PayneâGaposchkin." 2001. UCLA. .
"Tycho Brahe." 1995. The Galileo Project. .
Zielinski, Sarah. "Hypatia, Ancient Alexandria's Great Female Scholar." 14 March 2010. Smithsonian.
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18. Reflection Paper On Astronomy
The material covered beyond the first exam has been a step up from the material before it, both conceptually speaking, and in terms of the scale of the
universe we have studied thus far, which has been up to the outer reaches of our solar system, around where the dwarf planet, Pluto, resides. The early
portions of the course taught us a number of the fundamental principles and historical insights of the study of astronomy, such as Kepler's three laws.
Since then, we have greatly expanded our study of astronomy, by which we have briefly examined some of the important details of telescopes, the earth
and moon, the formation of our solar system and the planets orbiting it, as well as the sun, and the seasons which came about due to the nature of
concepts in astronomy we have learned thus far. I personally enjoyed this portion of the course more than the parts before the first exam, not that
those portions were not fascinating in their own right, though the parts beyond the first exam were a step up. More so, I found a number of the
concepts conceptually more difficult to understand, which only made it more rewarding when I was able to figure them out. From this point
forward, I will explain what I thought about the last three chapters we have studied. The first new chapter was about observations, but the emphasis
was on telescopes, since they are an integral part observing the universe and collecting date in the field of astronomy. I had almost no knowledge
about the concepts covered, so I had to rewatch and reread the material a number of times to have a better understanding. I never knew that some
telescopes worked in different ways that others to collect light. I did know a bit about the electromagnetic spectrum from chemistry, though I never
knew how relevant it was in the study of astronomy. Having taken a trigonometry class in the past, I have a decent of understanding about how the
graphs of the types of lights in the spectrum relates to waves and their frequencies and wavelengths. One other thing I never knew was how, one of the
reasons why satellites are launched into space, is for the purpose of observation. The earth's atmosphere blocks a number of different types of light,
which is very important
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19. Mayan Astronomy Essay
Before advanced technology, the Mayan observed the "Seven Stars" Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn using positional and
horizon astronomy just like the Greeks and Mesopotamians before them. Although the Mayans observations were made with the naked eye they still
had many interpretations associated with the sun and moon. They also independently discovered octa eteris, a mesh between eight solar years with
five Venus cycles of 584 days and 99 lunar months. Mayan warfare was also scheduled to get the most astrological benefits. To the Mayan astronomy
was a sacred activity.
One of the many scientific discoveries that have influenced today's society is the invention of the cell phone. In 1876 an older male with the name of
Alexander...show more content...
This nebula is about 1/3 of a lightâyear thick, and five lightâyears across. Most nebulae are shaped are more sphere shaped and most commonly a
butterfly shape. Abella 39 is one extremely rare cases in which the geometry is much simpler. Thisstar, unlike its usual common shape is in the form of
a cat eye. This star is off center in the constellation about one tenth of a lightâyear.
Hercules is one of the largest constellations but doesn't have many brightly lit stars which makes is hard to see in cities. This constellation is better
viewed with the naked eye because of how dull its stars are. Hercules is located in the southern hemisphere. Hercules contains a cluster of over
500,000 stars called the Mâ13 cluster. In mythology Hercules was believed to kill the Dragon, the guardian of the garden of Hesperides.
In the winter me and my family like to take a short trip to Jupiter because of its nice, hot weather. The vacation is always fun, but we try to stay
away from the big red spot. It's always stormy there!! It's only 5 planets away from the sun so my tan comes out very nicely and i show it off when i
get back to Earth. We always drive to the moons too, they're smaller and not as hot so i don't sunburnt and we like to explore each community. It's a
great time every
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20. Astronomy Research Paper
Astronomy is a very interesting subject to me as there so much more out there that we can learn about other than just Planet Earth. There is a lot to
discover on Earth alone but there is even more in the Solar System. New stuff can be discovered every day and there are astronomers and
Mathematicians everywhere who are working hard to discover this and give us the information they have found so we can continue to learn new things
about what is out in the sky.
Although some people may disagree, there is a difference between Muggle and Magical Astronomy. Also known as Muggle 'Science', the muggles have
developed telescopes that they can send out into space to observe the planets that their telescopes on the ground simply could not reach. Although
...show more content...
Let us start from the very beginning with the first planet closest to the sun, Mercury.
Mercury:
Đ· Although closest to the sun it is not the hottest planet in the solar system with temperatures ranging from 90 Kelvin to 700 kelvin!
Đ· Mercury's Magnetic is 1/100th that of Earths.
Next up is Venus
Venus:
Đ· Names after the Roman Goddess of Beauty and Love
Đ· The atmosphere of Venus is approximately 96.5% Carbon Dioxide and 3.5% Nitrogen.
Third on the list is the one and only Planet Earth!
21. Earth:
Đ· The only known planet to support any life form
Đ· Earth's crust is divided into Tectonic Plates, or separate plates, which float independently on top of much hotter mantle.
Next in line, Mars.
Mars:
Đ· Mars rotates once every 24.6 hours.
Đ· Mars has two small moons called Phobos and Deimos
Moving onto Jupiter
Jupiter:
Đ· Jupiter is the biggest planet in the Solar System
Đ· Jupiter is mostly made up of Hydrogen and Helium which makes up 99% of the atmosphere.
Next, Saturn.
Saturn:
Đ· Saturn has many rings surrounding the planet which were discovered in 1610
Đ· Saturn has 53 known moons with a possible 9 other
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22. Astronomy Essay
I am excited to say that me and my team of astronomy researchers have discovered a correlation between finding potential habitable star systems and a
star's magnetic activity and Xâray emissions. Our study, titled "An Improved AgeâActivity Relationship for Cool Stars Older than a Gigayear", was led
by Rachel Booth, a PhD student from the Astrophysics Research Center at Queen's University Belfast. Our data was gathered using NASA's Chandra
Xâray Observatory and ESA's XMMâNewton. NASA's Chandra Xâray Observatory is a telescope specifically built to detect Xâray emissions from
regions in the universe which exhibit very high temperatures such as stars. ESA's Chandra Xâray Observatory is a telescope whose purpose is similar
to that of NASA's...show more content...
ESA's XMMâNewton satellite follows an eccentric orbit and each telescope contains a mirror module with 58 highâprecision concentric mirrors to
detect millions of sources and catch elusive Xârays.
Through our research, we discovered results that linked a star's age to their Xâray emissions. We found out that from the 24 stars analyzed, 14 of them
had Xâray emissions that were discernible. We were then able to calculate the stars' ages and from that, we recognized that there was a relationship
between their longevity and luminosity. Stars similar to that of our Sun are likely to emit less highâenergy radiation as they exceed 1 billion years in age.
While we made this amazing discovery, the reasons for this relationship are still unknown to us. We are currently examining the causes and reasons
this relationship may occur. A possibility of this is through the reduction in spin rate of stars. The reduction in spin rate is faster in older stars than in
younger stars, which could explain the emission of less highâenergy radiation as the stars grow older. Another possibility this relationship can occur is
because of the luminosity of Xârays. The Xâray brightness declines quicker in older, more slowlyârotating stars than it does for younger, faster ones.
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