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24 Cards in this Set
- Front
- Back
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Sun spots
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Strong magnetic fields and low temperature
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To find luminosity you need-
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brightness and distance
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To find radius you need-
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temperature and luminosity
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Brightness and Distance=
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Luminosity
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Temperature and Luminosity=
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Radius
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What is the limit when dealing with main sequence?
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10
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What is the action in the core of main sequence?
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hydrogen fusing to helium
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What is the action in the core of a red giant?
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nothing
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What is the action in the core of yellow giant?
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helium fusing to carbon
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Whats the order a star goes through on the HR Diagram?
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Main sequence, red giant, yellow giant, red giant, planetary nebula explosion, and white dwarf
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What is the action in the core of a high mass star?
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hydrogen fusing to iron
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explain a HIGH MASS STAR
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hydrogen fuses to iron. Then a 2supernova explosion and the remnants will be a neutron star or a black hole. The Chardorasekhar Limit determines which one it will be
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This star is on the main sequence and less than 10 solar masses.
What kind of star is this? |
White Dwarf
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Horizontal Branch AKA
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Yellow Giant
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Where is a young star found?
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main sequence
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With mass, you know what about a star?
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its whole life cycle
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The ______ starts because of its mass
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fusion
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What is the 'birthing of a star'?
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hydrogen to helium
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Where is a star born on the HR Diagram?
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main sequence
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Hydrostatic Equilibrium
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when a star finally collapses and becomes equal with itself
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Parallax is the what?
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Direct Method
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How do you determine the mass of a star?
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Kepler's 3rd law applied with binary star system
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How do find temperature of a star?
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Wein's Law
-which is using spectrum and color |
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What determines if it will be a white dwarf?
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<10 solar mass
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