The document summarizes key aspects of the sun's structure and activity. It describes the sun's three layers - the core, radiative layer, and convective layer. It also outlines the three atmospheric layers of the photosphere, chromosphere, and corona. Additional sections cover sunspots, solar prominences, solar flares, and spicules. Fun facts provided include details on the sun's rotation, gravity, lifespan, and Americans' understanding of it being a star. The final section describes how scientists used observations of a solar tsunami to measure the sun's magnetic field for the first time.
The Solar System is composed of the Sun and the celestial objects which are gravitationally bound to it: planets, moons, dwarf planets and their four known moons, asteroids, meteoroids, comets, and interplanetary dust.
The Solar System is composed of the Sun and the celestial objects which are gravitationally bound to it: planets, moons, dwarf planets and their four known moons, asteroids, meteoroids, comets, and interplanetary dust.
Types of galaxies
You can edit this powerpoint for your own presentation but don't re-upload.
I used hyperlink(especially on images) and alot of animation.
Maybe too in-depth for most elementary students, but very good broad coverage for teacher background or more advanced students in elementary or middle school.
stars life .. how they are formed ... supernova , what is black hole, worm hole ..... very very interesting topic in very simple language and many images that make u understand easily
This PowerPoint discusses the Sun at a high school level. It talks about characteristics, solar activities/events, how energy is created, and many more.
Types of galaxies
You can edit this powerpoint for your own presentation but don't re-upload.
I used hyperlink(especially on images) and alot of animation.
Maybe too in-depth for most elementary students, but very good broad coverage for teacher background or more advanced students in elementary or middle school.
stars life .. how they are formed ... supernova , what is black hole, worm hole ..... very very interesting topic in very simple language and many images that make u understand easily
This PowerPoint discusses the Sun at a high school level. It talks about characteristics, solar activities/events, how energy is created, and many more.
|HAWKE GLAND - AKBAR TRADING SAUDI ARABIA| stock akbar trading- saudi arabia...AKBAR TRADING
HAWKE GLAND, HAWKE REDUCER, HAWKE PLUG, GLAND ACCESSORIES STOCKIST SAUDI ARABIA
Send enquiries to mail@akbartrading.com
케이블 글 랜드-사우디 아라비아,电缆接头,电缆接头及配件,ต่อม สายเคเบิล
SSIS is an ETL tool to move data from source to target. This presentation helps you to familiar with "Manipulating files with the file system task using SSIS"
AKBAR TRADING EST| Thomas & Betts Cable Tie TyrapAKBAR TRADING
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The single most distinguishing feature of the Ty-Rap
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from Thomas & Betts is the stainless steel locking barb, firmly
anchored inside the tie head (Fig. 1).
It is made from corrosion-proof, antimagnetic steel (Marine
Grade Type 316).
This guarantees a strong and durable locking of the tie even
under the most adverse conditions - humidity, heat, cold, etc.
and is also proof against vibration and external shock.
When applying ties with Thomas & Betts tooling, the excess
end of the tie is automatically cut off and the slight over cut
retracts into the tie, so that there is no risk of injury from
protruding sharp edges. (Fig. 3)
The low-profile design of the head allows secure tying in tight
spaces.
The edges of the head are also rounded off to offer maximum
protection from injury.
The transition from the strap to the head is gradual. This
protects the material against breaking at this most critical
point.
Space Environment & It's Effects On Space Systems course samplerJim Jenkins
This class on the space environment and its effects on space systems is for technical and management personnel who wish to gain an understanding of the important issues that must be addressed in the development of space instrumentation, subsystems, and systems. The goal is to assist students to achieve their professional potential by endowing them with an understanding of the fundamentals of the space environment and its effects. The class is designed for participants who expect to either, plan, design, build, integrate, test, launch, operate or manage payloads, subsystems, launch vehicles, spacecraft, or ground systems.
Each participant will receive a copy of the reference textbook: Pisacane, VL. The Space Environment and its Effects on Space Systems. AIAA Education Series, 2008.
Please write a full essay describing the following phenomen solar and.pdfthangarajarivukadal
Please write a full essay describing the following phenomen solar and how the Sun\'s magnetic
field produces each of prominences, solar flares, CME\'s and auroras.
Solution
The sun, like the earth, generates a magnetic field that extends out into space. However, the
sun\'s magnetic field changes both its shape and intensity over the surface, and over time, much
more rapidly.In the Sun, the flows of hot plasma in the convection zone create the solar magnetic
field. The plasma is a hot gas \"soup\" with many free charged particles (electrons and protons).
The moving charges are a current, and produce magnetic fields, just like the current in coils of
wire around the nail. What\'s different in the sun? The convection current is driven by the heat
from the Sun\'s fusion, instead of a battery.
Sunspots are regions of very strong magnetic field, where the field lines get so crowded together
that they push up through the surface, bringing some of the hot plasma with them in a spectacular
arc, or loop. We see the end of the loop as a sunspot on the sun\'s visible surface, or photosphere.
This dense bundle of field lines creates huge magnetic pressures. What is magnetic pressure? We
know what pressure is in a gas: if you compress some gas, like squeezing a balloon, it tries to
push out again.
A solar flare is a magnetic storm on the Sun which appears to be a very bright spot and a gaseous
surface eruption. Solar flares release huge amounts of high-energy particles and gases and are
tremendously hot (from 3.6 million to 24 million °F). They are ejected thousands of miles from
the surface of the Sun.
A solar prominence (also known as a filament) is an arc of gas that erupts from the surface of the
Sun. Prominences can loop hundreds of thousands of miles into space. Prominences are held
above the Sun\'s surface by strong magnetic fields and can last for many months. At some time
in their existence, most prominences will erupt, spewing enormous amounts of solar material
into space.
The outer solar atmosphere, the corona, is structured by strong magnetic fields. Where these
fields are closed, often above sunspot groups, the confined solar atmosphere can suddenly and
violently release bubbles of gas and magnetic fields called coronal mass ejections. A large CME
can contain a billion tons of matter that can be accelerated to several million miles per hour in a
spectacular explosion. Solar material streams out through the interplanetary medium, impacting
any planet or spacecraft in its path. CMEs are sometimes associated with flares but can occur
independently..
PHY 1301, Physics I 1 Course Learning Outcomes forajoy21
PHY 1301, Physics I 1
Course Learning Outcomes for Unit VII
Upon completion of this unit, students should be able to:
7. Describe fundamental thermodynamic concepts.
7.1 Explain the various heat transfer mechanisms with practical examples.
7.2 Recognize the ideal gas law and apply it to daily life.
7.3 Describe the relationship between kinetic energy and the Kelvin temperature.
Course/Unit
Learning Outcomes
Learning Activity
7.1
Unit Lesson
Chapter 13
Chapter 14
Unit VII PowerPoint Presentation
7.2
Unit Lesson
Chapter 13
Chapter 14
Unit VII PowerPoint Presentation
7.3
Unit Lesson
Chapter 13
Chapter 14
Unit VII PowerPoint Presentation
Required Unit Resources
Chapter 13: The Transfer of Heat, pp. 360–379
Chapter 14: The Ideal Gas Law and Kinetic Theory, pp. 380–400
Unit Lesson
UNIT VII STUDY GUIDE
Heat Mechanism and Kinetic Theory
PHY 1301, Physics I 2
UNIT x STUDY GUIDE
Title
The Three Methods to Transfer Heat
The above image illustrates the three heat transfer methods. The sun heats the Earth by radiation, the
surface of the Earth heats the air by conduction, and the warm air rises by convection.
What is heat? Heat is energy that moves from a high-temperature object to a low-temperature object. Its unit
is the Joule (J), but sometimes it is measured with the kilocalorie (kcal). The conversion factor between the
two units is 1 kcal = 4186 J. The transfer of heat is processed by the following mechanisms.
Conduction is the process in which heat is transferred through a material. The atoms or molecules in a hotter
part of the material have greater energy than those in a colder part of the material, and thus the energy is
transferred from the hotter place to the colder place. Notice that the bulk motion of the material has nothing to
do with this process. You can easily find examples of conduction. A radiator in your house is one of them. If
you put an object on the radiator, the object will become warmer. Another example is when you pour the
brewed hot coffee into a cold cup; the heat from the hot coffee makes the cup itself hot.
The heat Q conducted during a time t through a bar of length L and cross-sectional area A is expressed as
Q = kA (dT) t / L. Here, k is thermal conductivity, and it depends on the substance; dT is the temperature
difference between the higher temperature and the lower temperature of the bar.
Convection is the process in which heat is transferred by the bulk motion of a fluid. According to the ideal gas
law for constant pressure, the volume (V) is proportional to the temperature (T). V increases as T increases,
and the density decreases within the constant mass. Warm air rises and cooler air goes down; this circulation
makes the energy transported. The generated energy from the center of the sun is transported by convection
near the photosphere. Cool gas sinks while bubbles of hot gas rise. There is a patchwork patte ...
This pdf is about the Schizophrenia.
For more details visit on YouTube; @SELF-EXPLANATORY;
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THE IMPORTANCE OF MARTIAN ATMOSPHERE SAMPLE RETURN.Sérgio Sacani
The return of a sample of near-surface atmosphere from Mars would facilitate answers to several first-order science questions surrounding the formation and evolution of the planet. One of the important aspects of terrestrial planet formation in general is the role that primary atmospheres played in influencing the chemistry and structure of the planets and their antecedents. Studies of the martian atmosphere can be used to investigate the role of a primary atmosphere in its history. Atmosphere samples would also inform our understanding of the near-surface chemistry of the planet, and ultimately the prospects for life. High-precision isotopic analyses of constituent gases are needed to address these questions, requiring that the analyses are made on returned samples rather than in situ.
Cancer cell metabolism: special Reference to Lactate PathwayAADYARAJPANDEY1
Normal Cell Metabolism:
Cellular respiration describes the series of steps that cells use to break down sugar and other chemicals to get the energy we need to function.
Energy is stored in the bonds of glucose and when glucose is broken down, much of that energy is released.
Cell utilize energy in the form of ATP.
The first step of respiration is called glycolysis. In a series of steps, glycolysis breaks glucose into two smaller molecules - a chemical called pyruvate. A small amount of ATP is formed during this process.
Most healthy cells continue the breakdown in a second process, called the Kreb's cycle. The Kreb's cycle allows cells to “burn” the pyruvates made in glycolysis to get more ATP.
The last step in the breakdown of glucose is called oxidative phosphorylation (Ox-Phos).
It takes place in specialized cell structures called mitochondria. This process produces a large amount of ATP. Importantly, cells need oxygen to complete oxidative phosphorylation.
If a cell completes only glycolysis, only 2 molecules of ATP are made per glucose. However, if the cell completes the entire respiration process (glycolysis - Kreb's - oxidative phosphorylation), about 36 molecules of ATP are created, giving it much more energy to use.
IN CANCER CELL:
Unlike healthy cells that "burn" the entire molecule of sugar to capture a large amount of energy as ATP, cancer cells are wasteful.
Cancer cells only partially break down sugar molecules. They overuse the first step of respiration, glycolysis. They frequently do not complete the second step, oxidative phosphorylation.
This results in only 2 molecules of ATP per each glucose molecule instead of the 36 or so ATPs healthy cells gain. As a result, cancer cells need to use a lot more sugar molecules to get enough energy to survive.
Unlike healthy cells that "burn" the entire molecule of sugar to capture a large amount of energy as ATP, cancer cells are wasteful.
Cancer cells only partially break down sugar molecules. They overuse the first step of respiration, glycolysis. They frequently do not complete the second step, oxidative phosphorylation.
This results in only 2 molecules of ATP per each glucose molecule instead of the 36 or so ATPs healthy cells gain. As a result, cancer cells need to use a lot more sugar molecules to get enough energy to survive.
introduction to WARBERG PHENOMENA:
WARBURG EFFECT Usually, cancer cells are highly glycolytic (glucose addiction) and take up more glucose than do normal cells from outside.
Otto Heinrich Warburg (; 8 October 1883 – 1 August 1970) In 1931 was awarded the Nobel Prize in Physiology for his "discovery of the nature and mode of action of the respiratory enzyme.
WARNBURG EFFECT : cancer cells under aerobic (well-oxygenated) conditions to metabolize glucose to lactate (aerobic glycolysis) is known as the Warburg effect. Warburg made the observation that tumor slices consume glucose and secrete lactate at a higher rate than normal tissues.
Seminar of U.V. Spectroscopy by SAMIR PANDASAMIR PANDA
Spectroscopy is a branch of science dealing the study of interaction of electromagnetic radiation with matter.
Ultraviolet-visible spectroscopy refers to absorption spectroscopy or reflect spectroscopy in the UV-VIS spectral region.
Ultraviolet-visible spectroscopy is an analytical method that can measure the amount of light received by the analyte.
Richard's entangled aventures in wonderlandRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic ...Sérgio Sacani
We characterize the earliest galaxy population in the JADES Origins Field (JOF), the deepest
imaging field observed with JWST. We make use of the ancillary Hubble optical images (5 filters
spanning 0.4−0.9µm) and novel JWST images with 14 filters spanning 0.8−5µm, including 7 mediumband filters, and reaching total exposure times of up to 46 hours per filter. We combine all our data
at > 2.3µm to construct an ultradeep image, reaching as deep as ≈ 31.4 AB mag in the stack and
30.3-31.0 AB mag (5σ, r = 0.1” circular aperture) in individual filters. We measure photometric
redshifts and use robust selection criteria to identify a sample of eight galaxy candidates at redshifts
z = 11.5 − 15. These objects show compact half-light radii of R1/2 ∼ 50 − 200pc, stellar masses of
M⋆ ∼ 107−108M⊙, and star-formation rates of SFR ∼ 0.1−1 M⊙ yr−1
. Our search finds no candidates
at 15 < z < 20, placing upper limits at these redshifts. We develop a forward modeling approach to
infer the properties of the evolving luminosity function without binning in redshift or luminosity that
marginalizes over the photometric redshift uncertainty of our candidate galaxies and incorporates the
impact of non-detections. We find a z = 12 luminosity function in good agreement with prior results,
and that the luminosity function normalization and UV luminosity density decline by a factor of ∼ 2.5
from z = 12 to z = 14. We discuss the possible implications of our results in the context of theoretical
models for evolution of the dark matter halo mass function.
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Observation of Io’s Resurfacing via Plume Deposition Using Ground-based Adapt...Sérgio Sacani
Since volcanic activity was first discovered on Io from Voyager images in 1979, changes
on Io’s surface have been monitored from both spacecraft and ground-based telescopes.
Here, we present the highest spatial resolution images of Io ever obtained from a groundbased telescope. These images, acquired by the SHARK-VIS instrument on the Large
Binocular Telescope, show evidence of a major resurfacing event on Io’s trailing hemisphere. When compared to the most recent spacecraft images, the SHARK-VIS images
show that a plume deposit from a powerful eruption at Pillan Patera has covered part
of the long-lived Pele plume deposit. Although this type of resurfacing event may be common on Io, few have been detected due to the rarity of spacecraft visits and the previously low spatial resolution available from Earth-based telescopes. The SHARK-VIS instrument ushers in a new era of high resolution imaging of Io’s surface using adaptive
optics at visible wavelengths.
2. Contents
• Introduction
• The Three Layers of The Sun
o The core
o The Radiative layer
o The Convective layer
• The Three Atmospheric Layers
o The Photosphere
o The Chromosphere
o The Corona
• Sun Spots
• Solar Prominences
• Solar Flare
• Spicules
• Fun Facts
3. Introduction
Our star, the Sun, makes up 99% of all the mass in
the Solar System. Its core is so dense and hot that
normally repellent nuclei fuse together in nuclear
reactions that produce vast amounts of energy. The
Sun is mostly hydrogen and helium, and radiates
charged particles called solar wind across the Solar
System.
4. The Three Layers of The Sun:
The Core
The core starts from the center and extends
outward to encompass 25 percent of the sun's radius.
Its temperature is greater than 15 million degrees
Kelvin. At the core, gravity pulls all of the mass
inward and creates an intense pressure. The pressure
is high enough to force atoms of hydrogen to come
together in nuclear fusion reactions
5. The Three Layers of the Sun :
The Radiative Layer
The radiative zone extends outward from the core,
accounting for 45 percent of the sun's radius. In this
zone, the energy from the core is carried outward by
photons, or light units. As one photon is made, it
travels about 1 millionth of a meter (1 micron) before
being absorbed by a gas molecule. Upon absorption,
the gas molecule is heated and diffuses another
photon of the same wavelength.
6. The Three Layers of The Sun:
The Convective Layer
The convective zone, which is the final 30 percent of
the sun's radius. In the convective zone, the energy is
transferred much faster than it is in the radiative
zone this is because it is transferred through the
process of convection. Hotter gas coming from the
radiative zone expands and rises through the
convective zone. It can do this because the
convective zone is cooler than the radiative zone and
therefore less dense.
7. The Three Atmospheric Layers:
The Photosphere
The photosphere is the innermost region of the sun's
atmosphere and is the region that we can see. "The
surface of the sun" typically refers to the
photosphere. It is 300-400 kilometers wide and has
an average temperature of 5,800 degrees Kelvin. It
appears granulated or bubbly, much like the surface
of a simmering pot of water. As we pass up through
the photosphere, the temperature drops and the
gases, because they are cooler, do not emit as much
light energy.
8. The Three Atmospheric Layers:
The Chromosphere
The chromosphere extends above the photosphere to
about 1,200 miles (2,000 kilometers). The
temperature rises across the chromosphere from
4,500 degrees Kelvin to about 10,000 degrees Kelvin.
The chromosphere is thought to be heated by
convection within the underlying photosphere.
9. The Three Atmospheric Layers:
The Corona
The corona is the final layer of the sun and extends
several million miles or kilometers outward from the
other spheres. It can be seen best during a solar
eclipse and in X-ray images of the sun. Although no
one is sure why the corona is so hot, it is thought to
be caused by the sun's magnetism. The corona has
bright areas (hot) and dark areas called coronal holes.
Coronal holes are relatively cool and are thought to be
areas where particles of the solar wind escape.
10. Sun Spots
Dark, cool areas called sunspots appear on the
photosphere. Sunspots always appear in pairs and are
intense magnetic fields that break through the
surface. Field lines leave through one sunspot and re-
enter through the other one. The magnetic field is
caused by movements of gases in the sun's interior.
11. Solar Prominences
Occasionally, clouds of gases from the chromosphere
rise and orient themselves along the magnetic lines
from sunspot pairs. These arches of gas are
called solar prominences. Prominences can last two to
three months and can extend up to 50,000 kilometers
or more above the sun's surface. Upon reaching this
height, they can erupt for a few minutes to hours and
send large amounts of material racing through the
corona and outward into space at 600 miles per
second which are called the coronal mass ejections
12. Solar Flares
Sometimes in complex sunspot groups, abrupt, violent
explosions from the sun occur. These are called solar
flares. Solar flares are thought to be caused by
sudden magnetic field changes in areas where the
sun's magnetic field is concentrated.
13. Spicules
As gases churn in the photosphere, they produce
shock waves that heat the surrounding gas and send it
piercing through the chromosphere in millions of tiny
spikes of hot gas called spicules. Each spicule rises to
approximately 3,000 miles above the photosphere and
lasts only a few minutes.
14. Fun Facts !!
• The sun rotates on its axis once every 25.38 Earth
days or 609.12 hours.
• A person weighing 150 pounds on Earth would weigh
4,200 pounds on the sun because the sun’s gravity is
28 times that of Earth.
• Existing for about 4 and a half billion years, it has
burnt up about half of the hydrogen in its core. This
leaves the Sun's life expectancy to 5 billion more
years.
• Only 55% of all Americans know that the sun is a star.
15. How is the sun measured??
Solar tsunami used to measure Sun’s magnetic field
A solar tsunami observed by NASA's Solar Dynamics Observatory (SDO) and
the Japanese Hinode spacecraft has been used to provide the first
accurate estimates of the Sun's magnetic field.
Solar tsunamis are produced by enormous explosions in the Sun's
atmosphere called coronal mass ejections (CMEs). As the CME travels
out into space, the tsunami travels across the Sun at speeds of up to
1000 kilometres per second.
Similar to tsunamis on Earth, the shape of solar tsunamis is changed by the
environment through which they move. Just as sound travels faster in
water than in air, solar tsunamis have a higher speed in regions of
stronger magnetic field. This unique feature allowed the team, led by
researchers from UCL's Mullard Space Science Laboratory, to measure
the Sun's magnetic field.