Galaxies1
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There are three main types of galaxies: spiral galaxies which have a central bulge and spiral arms where new stars form, barred galaxies which are a type of spiral galaxy with arms extending from a central bar, and elliptical galaxies where stars orbit randomly with little gas, dust or new star formation.
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Galaxies
This document discusses three main types of galaxies: spiral galaxies which have flat spiral arms rotating around a central bulge, barred galaxies which have arms winding away from a central bar, and elliptical galaxies where stars rotate randomly rather than around a central point and contain older stars with little formation.
Galaxies
The document discusses three main types of galaxies: spiral galaxies, irregular galaxies, and elliptical galaxies. Spiral galaxies are disk-shaped with arms spiraling outward from the center bulge. They contain both young and old stars. Irregular galaxies have no defined shape and mostly contain older stars with little gas and dust. Elliptical galaxies are oval-shaped and contain only older stars in random orbits around the center. The Milky Way galaxy is described as a large spiral galaxy containing around 100-200 billion stars.
Science project earth's moon
The Moon orbits Earth and rotates on its axis, leading to changing phases from new to full over the course of about 29.5 days. As Earth's natural satellite, the Moon is called a satellite because it revolves around our planet, unlike planets that orbit the Sun. The Moon's phases are caused by the varying portions of its sunlit side visible to observers on Earth over the course of its orbit.
Milky way galaxy
The Milky Way Galaxy is a spiral galaxy that contains our solar system. It has a disk shape with a bulge at the center, made up of stars, gas, and dust. There are three major types of galaxies - spiral galaxies which have a disk and bulge, elliptical galaxies which are round without a disk, and irregular galaxies with an irregular shape. The Milky Way Galaxy is a spiral galaxy that rotates and is held together by gravity.
Differences between galaxies
There are different types of galaxies including spiral galaxies like the Milky Way, elliptical galaxies, and irregular galaxies. Spiral galaxies contain gas, dust, and new stars circling a central bulge, while elliptical galaxies are highly flattened and contain millions to trillions of stars. The Milky Way is estimated to contain between 200 billion and 400 billion stars within a diameter of 100,000 light years, classifying it as a spiral galaxy. Elliptical galaxies have ellipsoidal shapes and contain around 10 trillion solar masses of stars.
Solar system
The solar system consists of the Sun and everything that orbits around it, including 8 planets. The inner terrestrial planets - Mercury, Venus, Earth, and Mars - are small and rocky. The outer gas giant planets - Jupiter, Saturn, Uranus, and Neptune are much larger. Other objects in the solar system include asteroids in the asteroid belt between Mars and Jupiter, comets made of ice and dust, and meteorites which are rocky debris from space that reaches Earth. The solar system resides in one of the spiral arms of the Milky Way galaxy.
Proficiency 1
There are different types of galaxies including elliptical galaxies, spiral galaxies, and irregular galaxies. Elliptical galaxies do not have ongoing star formation while spiral galaxies do. Irregular galaxies do not fit into a defined shape category. The formation of galaxies is influenced by density - denser regions collapse first under gravity to form protogalaxies that then separate into cores and halos, with flatter structures forming when densities were highest.
Chapter 9
This document provides information about galaxies and the different types of galaxies. It defines a galaxy as a collection of billions of stars and planets. Our Milky Way galaxy is one of over 100 billion galaxies in the visible universe. Galaxies come in three main types: spiral galaxies which have a disc shape with spiral arms, elliptical galaxies which are flattened and oval shaped, and irregular galaxies which do not have a specific shape. The document provides examples and characteristics of each galaxy type.
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Galaxies
This document discusses three main types of galaxies: spiral galaxies which have flat spiral arms rotating around a central bulge, barred galaxies which have arms winding away from a central bar, and elliptical galaxies where stars rotate randomly rather than around a central point and contain older stars with little formation.
Galaxies
The document discusses three main types of galaxies: spiral galaxies, irregular galaxies, and elliptical galaxies. Spiral galaxies are disk-shaped with arms spiraling outward from the center bulge. They contain both young and old stars. Irregular galaxies have no defined shape and mostly contain older stars with little gas and dust. Elliptical galaxies are oval-shaped and contain only older stars in random orbits around the center. The Milky Way galaxy is described as a large spiral galaxy containing around 100-200 billion stars.
Science project earth's moon
The Moon orbits Earth and rotates on its axis, leading to changing phases from new to full over the course of about 29.5 days. As Earth's natural satellite, the Moon is called a satellite because it revolves around our planet, unlike planets that orbit the Sun. The Moon's phases are caused by the varying portions of its sunlit side visible to observers on Earth over the course of its orbit.
Milky way galaxy
The Milky Way Galaxy is a spiral galaxy that contains our solar system. It has a disk shape with a bulge at the center, made up of stars, gas, and dust. There are three major types of galaxies - spiral galaxies which have a disk and bulge, elliptical galaxies which are round without a disk, and irregular galaxies with an irregular shape. The Milky Way Galaxy is a spiral galaxy that rotates and is held together by gravity.
Differences between galaxies
There are different types of galaxies including spiral galaxies like the Milky Way, elliptical galaxies, and irregular galaxies. Spiral galaxies contain gas, dust, and new stars circling a central bulge, while elliptical galaxies are highly flattened and contain millions to trillions of stars. The Milky Way is estimated to contain between 200 billion and 400 billion stars within a diameter of 100,000 light years, classifying it as a spiral galaxy. Elliptical galaxies have ellipsoidal shapes and contain around 10 trillion solar masses of stars.
Solar system
The solar system consists of the Sun and everything that orbits around it, including 8 planets. The inner terrestrial planets - Mercury, Venus, Earth, and Mars - are small and rocky. The outer gas giant planets - Jupiter, Saturn, Uranus, and Neptune are much larger. Other objects in the solar system include asteroids in the asteroid belt between Mars and Jupiter, comets made of ice and dust, and meteorites which are rocky debris from space that reaches Earth. The solar system resides in one of the spiral arms of the Milky Way galaxy.
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There are different types of galaxies including elliptical galaxies, spiral galaxies, and irregular galaxies. Elliptical galaxies do not have ongoing star formation while spiral galaxies do. Irregular galaxies do not fit into a defined shape category. The formation of galaxies is influenced by density - denser regions collapse first under gravity to form protogalaxies that then separate into cores and halos, with flatter structures forming when densities were highest.
Chapter 9
This document provides information about galaxies and the different types of galaxies. It defines a galaxy as a collection of billions of stars and planets. Our Milky Way galaxy is one of over 100 billion galaxies in the visible universe. Galaxies come in three main types: spiral galaxies which have a disc shape with spiral arms, elliptical galaxies which are flattened and oval shaped, and irregular galaxies which do not have a specific shape. The document provides examples and characteristics of each galaxy type.
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Galaxies are collections of gas, dust, and stars held together by gravity. There are over 125 billion galaxies in the universe. The Milky Way galaxy contains our solar system and approximately 100 billion other stars. Galaxies come in three main shapes - spiral, elliptical, and irregular. Spiral galaxies have arms spiraling out from a central bulge, while elliptical galaxies are spherical or elliptical in shape.
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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.
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Low-mass stars have shorter main sequence lifetimes than high-mass stars. They use their nuclear fuel quickly and end their lives by exploding as supernovae, leaving behind neutron stars or black holes. High-mass stars spend more time in the main sequence, using their fuel more slowly. They expand into giant stars and shed their outer layers, ending their lives as white dwarfs.
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Similar to Galaxies1
10.2 galaxies
Galaxies are collections of gas, dust, and stars held together by gravity. There are over 125 billion galaxies in the universe. The Milky Way galaxy contains our solar system and approximately 100 billion other stars. Galaxies come in three main shapes - spiral, elliptical, and irregular. Spiral galaxies have arms spiraling out from a central bulge, while elliptical galaxies are spherical or elliptical in shape.
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Low-mass stars have shorter main sequence lifetimes than high-mass stars. They use their nuclear fuel quickly and end their lives by exploding as supernovae, leaving behind neutron stars or black holes. High-mass stars spend more time in the main sequence, using their fuel more slowly. They expand into giant stars and shed their outer layers, ending their lives as white dwarfs.
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हिंदी वर्णमाला पीपीटी, hindi alphabet PPT presentation, hindi varnamala PPT, Hindi Varnamala pdf, हिंदी स्वर, हिंदी व्यंजन, sikhiye hindi varnmala, dr. mulla adam ali, hindi language and literature, hindi alphabet with drawing, hindi alphabet pdf, hindi varnamala for childrens, hindi language, hindi varnamala practice for kids, https://www.drmullaadamali.com
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Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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Galaxies1
- 1. Galaxies
- 2. Galaxy: a large grouping of stars Photo Credit: http://pixabay.com/en/centaurus-a-ngc-5128-galaxy-11190/
- 3. Types of galaxies that we will study: ● Spiral ● Barred ● Elliptical Photo Credit:http://en.wikipedia.org/wiki/Whirlpool_Galaxy
- 4. Spiral Galaxies ● Flat pinwheel rotating around center bulge ● 1-3 spiral arms ● Arms contain interstellar material ● New stars form in arms ● 10-20% dust and gas Photo Credit: http://en.wikipedia.org/wiki/Spiral_galaxy
- 5. Barred Galaxies ● Arms wind away from a central bar, rather than from a central bulge ● Type of spiral galaxy ● The Milky Way is a Barred Spiral galaxy Photo Credit: https://www.flickr.com/photos/hubble-heritage/3200045708/
- 6. Elliptical Galaxies ● Stars orbit around mass in random matter ● Slow rotation ● Less gas and dust ● Very little star formation ● Dominated by older stars Photo Credit: https://www.flickr.com/photos/badastronomy/3110808117/