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| factor that incluences the life cycle of a star |
how much mass they are born with |
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porkchoppony Sun, 05 Oct 2008 23:29:17 GMT |
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| massive star life cycle |
prostar- blue giant- red super giant- super nova- neutron (little mass) or black hole (lots of mass) |
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porkchoppony Sun, 05 Oct 2008 23:29:17 GMT |
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| small and medium life cycles |
prostar- red dwarf or main sequance- core collapses- red giant - white dwarf- black dwarf |
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porkchoppony Sun, 05 Oct 2008 23:28:20 GMT |
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| spectral classes and their correstponding colors |
O- Blue
B- Blue
A- White
F- white
G- yellow
K- orange
M- red
be bonkers worry woss your opinion relizes |
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porkchoppony Sun, 05 Oct 2008 23:28:20 GMT |
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| 2 factors that influence the size of a star |
mass and gas pressure |
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porkchoppony Sun, 05 Oct 2008 23:28:20 GMT |
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| 3 factures that influence apparent magnitude |
1. temperature, the hotter the brighter
2. size, the larger the brighter
3. distance away, the closer the brighter |
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porkchoppony Sun, 05 Oct 2008 23:28:20 GMT |
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| gas pressure |
forse that pushes the star out (the hotter the star- the more gas pressure) |
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porkchoppony Sun, 05 Oct 2008 23:25:13 GMT |
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| mass |
the amount of marerial in the star |
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porkchoppony Sun, 05 Oct 2008 23:25:13 GMT |
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| apparent magnitude |
how bright a star seems to be |
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porkchoppony Sun, 05 Oct 2008 23:25:13 GMT |
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| absolute magnitude |
how bright a star really is |
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porkchoppony Sun, 05 Oct 2008 23:25:13 GMT |
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| spectral classes of stars |
OBAFGKM |
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porkchoppony Sun, 05 Oct 2008 23:24:11 GMT |
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| characteristics |
stars are made of 96-99 percent hydrogen and helium
2. hydrogen = 60-80% next most abundant gass = helium
3. 4% oxygen,neon, carbon, nitrogen |
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porkchoppony Sun, 05 Oct 2008 23:24:11 GMT |
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| nuclear fusion |
process when hydrogen atoms are fused together to form helium and release alot of energy |
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porkchoppony Sun, 05 Oct 2008 23:24:11 GMT |
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| star |
bright hot sphear of gas |
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porkchoppony Sun, 05 Oct 2008 23:24:11 GMT |
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| polaris |
north star |
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porkchoppony Sun, 05 Oct 2008 23:20:24 GMT |
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| name the 5 circumpolar constellations |
ursa major- ursa minor- draco- cassipoeia- cepheus |
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porkchoppony Sun, 05 Oct 2008 23:20:24 GMT |
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| circumpolar constellations |
5 constellations that don't ride and set |
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porkchoppony Sun, 05 Oct 2008 23:20:24 GMT |
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| constellations |
groups of starts that form pictures in the sky |
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porkchoppony Sun, 05 Oct 2008 23:20:24 GMT |
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