Characteristics of Stars
What hotter, a sun-like star or a massive star?
massive star
Stars are born in...
Nebulas
In the Red Giant Phase, does the star expand or contract?
Expand
A massive star is smaller than our sun. (true or false)
False
This object is the densest object in the universe. Not even light can escape it.
Dust and Gas
How long do Red Giant Stars stay in this phase?
~1 billion year
What is the term for when a massive star explodes nearing the end of its life.
Supernova
White Dwarfs are the size of ____ with masses of ____
Star B
What is the average life time of a Sun-Like Star
~10 billion years
Very massive stars only live for about...
~10 million years
If a supernova is not big enough to become a black hole, it instead becomes a...
Neutron Star
Gravity condenses gas to make it more compact. This is a...
Protostar
Once a Red Giant star sheds its outer layer it becomes a...
Planetary Nebula
When a very massive star is in its red supergiant phase, how long do they usually stay in this phase?
~1000 years
What would happen to black hole if it was inside of a nebula? Would it collapse and supernova, eat the cloud and get bigger, or eat the cloud and get smaller?
Eat the cloud and get bigger
A middle aged person is comparable to what stage of the star cycle.
Red Giant/Supergiant
What is the final stage for Sun-Like Stars
White Dwarf
A very massive star undergoes supernova. What are the two things they can become?
Neutron star and black hole