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13 questions
A _____ is the end of the life cycle of the highest mass stars.
black hole
black dwarf
supernova
nebula
Which kind of galaxy has a large amount of gas and young stars?
irregular galaxy
spiral galaxy
elliptical galaxy
Which kind of galaxy has little gas and old stars?
irregular galaxy
spiral galaxy
elliptical galaxy
A _____ is an object made of gas, held together by gravity and creates light by nuclear fusion (breaking apart the nucleus of atoms in its core).
star
galaxy
nebula
black hole
A _____ is the death of a large star by massive explosion.
supernova
black dwarf
galaxy
universe
Which type of galaxy is shaped like a pinwheel with spiral arms?
spiral galaxy
elliptical galaxy
irregular galaxy
Which type of galaxy has no definite shape?
spiral galaxy
elliptical galaxy
irregular galaxy
Which of the following are in the correct order from smallest to largest?
planets, nebulae, stars, galaxies
planets, stars, nebulae, galaxies
galaxies, nebulae, stars, planets
At the end of the life cycle of an average star it will end up becoming a _______________________.
black hole
red giant
neutron star
white dwarf
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