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stars science review

QuestionAnswer
stages of our sun nebula- lowmass protostar- average star- red giant- white dwarf- black dwarf
nebula- lowmass protostar- lowmass star- red giant- ___________ white dwarf- _______ planetary nebula, black dwarf
nebula- highmass protostar- ________-_________-___________ supergiant, supernova, blackhole
what is the significance of the main sequence stars they are where the stars are born and a lot of stars are still there
spiral milky way... look like spiral
elliptical oval shaped
irregular scattered
largest to smallest- universe, planet, star, solar system,galaxy, moon, asteroid universe, galaxy, solar system,star, planet, asteriod, moon
big bang theory an explosion occured and galexy has been expanding ever since
what is the evidence that scientists use to support big bang red shift
what is red shift em spectrum waves from galexys are red- means they are moving away from us
parallax an apparent shift in location of stars in space depends on ur location
radio determines size and shapeof object as well as distances
gamma the universe emits gamma rays
xray used to study gases in space as well as the suns cornea
ultraviolet take photos of young stars and galaxy shapes
visible em spectra data- tells us what stars are made of
infrared passes through space dust- lets us see farther
microwave gives clues about universes origin and helps identidy galaxy shapes
apparent magnitude how bright stars look to us
absolute magnitude the real luminosity
what two properties keep objects in orbit gravity and inertia
large group of gas, dust, and stars held together by gravity galaxy
peices of rock larger than the moon. most orbit between mars and jupiter asteriod
area of very strong gravity that allows not even light to excape black hole
made of ice, dust, rock, orbits the sun, has a tail comet
chunk of rock that has hit the earths surface meteorite
peice of rock or debris falling through the earths atmostphere meteor (shower)
the combining of hydrogen to form helium. this is how the sun recieves its energy. nucleur fusion
distance light travels in one year light year
large cloud of dust and gas where new stars are born nebula
Created by: M0903480
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