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What color are the hottest stars?
BLUE
True or False: All stars begin their lives as part of nebulas.
TRUE
The earliest stage of a star’s life is called a(n) ____.
protostar
What determines how long a star lives?
It's mass. Low mass stars live longer while High mass stars use up more fuel and die faster.
When a white dwarf stops glowing it is dead and then called a ___ ___.
black dwarf
is the sequence of changes that causes growth and development
life cycle
When a supernova from a massive star starts to collapse it forms a black hole. The _____ is so strong that nothing can escape, not even light.
Gravity
are gigantic glowing balls of gasses.
STARS
TRUE OR FALSE: About 10 percent of the stars in the universe, including the sun, are main sequence stars.
FALSE 90%
What process causes the birth of a star?
NUCLEAR FUSSION
After a supernova, the leftover material can turn into _______
black hole and neutron star
What occurs when a massive star runs out of fuel and explodes?
Supernova
What happens to a star whose fuel runs out?
It begins to die. Low mass will become white dwarf then black. High Mass will explode into supernova and become a black hole or neutron star.
Stars originate from what element? Two of these elements form?
Hydrogen, Helium
_ _ _ _ _ _ _ _ _ _ _ spin rapidly giving off radio waves.
Neutron Stars
WHICH PHASE IS IT? Main sequence stars Low Mass + Massive
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