Massive Stars - University of Washington
... What Makes a Star a Star? Fusion More Likely A body that satisfies two conditions: (a) It is bound by self-gravity Hotter Core (b) It radiates energy supplied by and internal source An introduction to the theory of stellar structure and evolution by Dina Prialnik ...
... What Makes a Star a Star? Fusion More Likely A body that satisfies two conditions: (a) It is bound by self-gravity Hotter Core (b) It radiates energy supplied by and internal source An introduction to the theory of stellar structure and evolution by Dina Prialnik ...
The Sun: the Solar Atmosphere, Nuclear Fusion
... • If the star contracts at all, the temperature goes up, the rate of fusion increases, the pressure increases, and the star re-expands. • If the star expands too much, the temperature drops, the rate of fusion drops, the pressure drops, and the star contracts. ...
... • If the star contracts at all, the temperature goes up, the rate of fusion increases, the pressure increases, and the star re-expands. • If the star expands too much, the temperature drops, the rate of fusion drops, the pressure drops, and the star contracts. ...
GLY 1001 Earth Science Name
... 5. Ecliptic – The yearly path of the Sun plotted against the background of the stars. Equatorial system – A method of locating stellar objects much like the coordinate system used on the Earth’s surface. Geocentric – The concept of an Earth-centered universe. 6. Heliocentric – The view that the Sun ...
... 5. Ecliptic – The yearly path of the Sun plotted against the background of the stars. Equatorial system – A method of locating stellar objects much like the coordinate system used on the Earth’s surface. Geocentric – The concept of an Earth-centered universe. 6. Heliocentric – The view that the Sun ...
Solutions to test #2 taken on Tuesday
... 12. (4) What is the law of conservation of mass and energy? How is it relevant to nuclear fusion in the Sun? The sum of mass and energy must always remain constant. The mass of 4 hydrogen atoms is more than 1 helium atom. The missing mass becomes energy. 13. (5) What is a standard candle? How is it ...
... 12. (4) What is the law of conservation of mass and energy? How is it relevant to nuclear fusion in the Sun? The sum of mass and energy must always remain constant. The mass of 4 hydrogen atoms is more than 1 helium atom. The missing mass becomes energy. 13. (5) What is a standard candle? How is it ...
Supernova worksheet with solutions ()
... certain mass, it begins to collapse in on itself. As it collapses, it heats up. The collapse continues until the center of the cloud is hot enough to fuse hydrogen into helium. Energy Source: Gravitational energy ...
... certain mass, it begins to collapse in on itself. As it collapses, it heats up. The collapse continues until the center of the cloud is hot enough to fuse hydrogen into helium. Energy Source: Gravitational energy ...
Normal Stars - Chandra X
... peak of five to ten a day and fall to less than one per day in a cycle of about eleven years. Solar flares can shower the Earth in high energy particles. A strong one can disrupt radio communications and produce spectacular displays known as the Northern and Southern Lights. Flares may even have a s ...
... peak of five to ten a day and fall to less than one per day in a cycle of about eleven years. Solar flares can shower the Earth in high energy particles. A strong one can disrupt radio communications and produce spectacular displays known as the Northern and Southern Lights. Flares may even have a s ...
SNC 1D1 Space Unit Review Answers How long does it take the
... -When the temperature reaches 10,000,000 Celsius, nuclear fusion begins and the protostar begins producing energy -Enormous pressure and heat cause hydrogen atoms to combine to become helium atoms and light energy in the core -Condensed grains from nebula collide and stick to form planetesimals -The ...
... -When the temperature reaches 10,000,000 Celsius, nuclear fusion begins and the protostar begins producing energy -Enormous pressure and heat cause hydrogen atoms to combine to become helium atoms and light energy in the core -Condensed grains from nebula collide and stick to form planetesimals -The ...
Center of the Universe Card Sort
... Nothing is at the center of the universe, because all matter and energy left that point because of the Big ...
... Nothing is at the center of the universe, because all matter and energy left that point because of the Big ...
29-1
... _______________________________________________________________ 23. How does the mass of the sun compare with the mass of Earth? _______________________________________________________________ 24. What is the most common nuclear reaction inside the sun? ______________________________________________ ...
... _______________________________________________________________ 23. How does the mass of the sun compare with the mass of Earth? _______________________________________________________________ 24. What is the most common nuclear reaction inside the sun? ______________________________________________ ...
but restricted to nearby large stars
... material and the temperatures encountered are far different in the Sun's atmosphere than in the layers of the Sun beneath the photosphere. ...
... material and the temperatures encountered are far different in the Sun's atmosphere than in the layers of the Sun beneath the photosphere. ...
Test 2 Review Topics
... 18. Describe how atoms emit and absorb light. 19. Why is the atomic spectrum of each element different? 20. How is Wien’s law (the graph) used to determine the color of a star? What is Wien’s Law? 21. What is the wavelength of maximum emission? 22. What are the 4 types of atomic spectra? Which are o ...
... 18. Describe how atoms emit and absorb light. 19. Why is the atomic spectrum of each element different? 20. How is Wien’s law (the graph) used to determine the color of a star? What is Wien’s Law? 21. What is the wavelength of maximum emission? 22. What are the 4 types of atomic spectra? Which are o ...
The Sun and other Stars
... When stars like the Sun begin to fuse H to He they fall into the Main sequence stars. The Sun will remain a main sequence star until uses about 90% of its fuel in the core. This is the beginning of the End ...
... When stars like the Sun begin to fuse H to He they fall into the Main sequence stars. The Sun will remain a main sequence star until uses about 90% of its fuel in the core. This is the beginning of the End ...
Earth in the Solar System (Earth Science) 12% 7 Items Test Prep
... expressed in AU. For distances between stars and galaxies, even that large unit of length is not sufficient. Interstellar and intergalactic distances are expressed in terms of how far light travels in one year. 1 light year = 9.462X1015meters, or approximately 6 trillion miles. The most distant obje ...
... expressed in AU. For distances between stars and galaxies, even that large unit of length is not sufficient. Interstellar and intergalactic distances are expressed in terms of how far light travels in one year. 1 light year = 9.462X1015meters, or approximately 6 trillion miles. The most distant obje ...
21.1 wksht
... Concept Review Section: Formation of the Solar System 1. Describe how current models of the solar system differ from either Aristotle’s or Copernicus’s model. _________________________________________________________________ _________________________________________________________________ _________ ...
... Concept Review Section: Formation of the Solar System 1. Describe how current models of the solar system differ from either Aristotle’s or Copernicus’s model. _________________________________________________________________ _________________________________________________________________ _________ ...
Power-point slides for Lecture 5
... MHC and is more conducive to explosion. Less electron capture, less neutrino escape, larger initial Ye could raise YL. ...
... MHC and is more conducive to explosion. Less electron capture, less neutrino escape, larger initial Ye could raise YL. ...
Chapter 11
... • A neutrino’s low reactivity with other forms of matter requires special detection arrangements – Detectors buried deep in the ground to prevent spurious signals as those produced by cosmic rays (high energy particles, like protons and electrons, with their source beyond the Solar System) – Large t ...
... • A neutrino’s low reactivity with other forms of matter requires special detection arrangements – Detectors buried deep in the ground to prevent spurious signals as those produced by cosmic rays (high energy particles, like protons and electrons, with their source beyond the Solar System) – Large t ...
moca.monash.edu
... As core mass grows, so does the density Core becomes electron degenerate – e's can't be forced into the same states Equation of state P = P() ...
... As core mass grows, so does the density Core becomes electron degenerate – e's can't be forced into the same states Equation of state P = P() ...
Chapter 23 Our Solar System 8/13/2013 1
... atmosphere featureless &11,000 km thick. Axis is tilted almost 90 degrees. – Neptune: Its orbit was used to calculate the position and existence of Pluto, 5 vertical rings, Blue planet w/ atmosphere with visible changing clouds. Its largest moon is Triton which has retrograde revolution. – Pluto: La ...
... atmosphere featureless &11,000 km thick. Axis is tilted almost 90 degrees. – Neptune: Its orbit was used to calculate the position and existence of Pluto, 5 vertical rings, Blue planet w/ atmosphere with visible changing clouds. Its largest moon is Triton which has retrograde revolution. – Pluto: La ...
File - Earth Science With Mrs. Locke
... SYSTEM More planets, moons around most planets, the asteroid belt, comets are made of ice and rock, tectonic plates are shifting, there is water on the moon and Mars, their might have been life on Mars or the moon that is covered in giant oceans, Jupiter has a really large storm, we are not the only ...
... SYSTEM More planets, moons around most planets, the asteroid belt, comets are made of ice and rock, tectonic plates are shifting, there is water on the moon and Mars, their might have been life on Mars or the moon that is covered in giant oceans, Jupiter has a really large storm, we are not the only ...