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The top documents tagged [mass of stars]

An introduction to the physics of the interstellar medium I. Overview II. Thermal processes in the ISM III. Hydrodynamics in the ISM IV. Gravity in the
An introduction to the physics of the interstellar medium I. Overview II. Thermal processes in the ISM III. Hydrodynamics in the ISM IV. Gravity in the
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Consequencies of the new intensity formula in many optical spectroscopy fields
Consequencies of the new intensity formula in many optical spectroscopy fields
109 views
Science Guru Jan 2014
Science Guru Jan 2014
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The Hertzsprung – Russell Diagram Astronomers use the H-R diagram to… * Show what stars are made of by looking at their color. *Compare the colors, brightness,
The Hertzsprung – Russell Diagram Astronomers use the H-R diagram to… * Show what stars are made of by looking at their color. *Compare the colors, brightness,
215 views
Possible Fate of the Universe W e already know that the universe is expanding. Only the pull of the gravitational force can slow it down. So, similar to
Possible Fate of the Universe W e already know that the universe is expanding. Only the pull of the gravitational force can slow it down. So, similar to
218 views
Quiz #6 Most stars form in the spiral arms of galaxies Stars form in clusters, with all types of stars forming. O,B,A,F,G,K,M Spiral arms barely move,
Quiz #6 Most stars form in the spiral arms of galaxies Stars form in clusters, with all types of stars forming. O,B,A,F,G,K,M Spiral arms barely move,
219 views
Stellar Evolution Chapter 12. This chapter is the heart of any discussion of astronomy. Previous chapters showed how astronomers make observations with
Stellar Evolution Chapter 12. This chapter is the heart of any discussion of astronomy. Previous chapters showed how astronomers make observations with
216 views
Galaxy collisions & galaxy formation Collisions of galaxies Formation of galaxies Dark Matter
Galaxy collisions & galaxy formation Collisions of galaxies Formation of galaxies Dark Matter
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Class 23 : The mass of galaxies and the need for dark matter How do you measure the mass of a galaxy? What is “dark matter” and why do we need it?
Class 23 : The mass of galaxies and the need for dark matter How do you measure the mass of a galaxy? What is “dark matter” and why do we need it?
216 views
8/6/2015 Stars Characteristics. What are the characteristics of a star? Stars differ in… Stars differ in…MassSizeTemperatureColorLuminosity *Stars can
8/6/2015 Stars Characteristics. What are the characteristics of a star? Stars differ in… Stars differ in…MassSizeTemperatureColorLuminosity *Stars can
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The Expanding Universe. Getting the Distances to Galaxies is a “Big Industry” solar system 10 A.U. radar ranging Local Galaxy 100 pc stellar parallax
The Expanding Universe. Getting the Distances to Galaxies is a “Big Industry” solar system 10 A.U. radar ranging Local Galaxy 100 pc stellar parallax
218 views
First galaxies and reionization of the Universe: current status and problems
First galaxies and reionization of the Universe: current status and problems
31 views