what is a star
What is energy released as from nuclear reactions?
Released as electromagnetic radiation
what do stars fuse to live?
Stars fuse hydrogen to make Helium.
what is the coolest colored stars?
Red
Do smaller stars burn their gas slower or faster.
slower.
what happens when a star runs out of fuel.
It will expand into a red giant
what is a star?
Objects that heat and light planets in a solar system.
The formation of elements in stars occurs in massive stars what happens near the end of their life cycle?
The star forms layers with different elements in each layer.
What is the brightness of the star called?
Magnitude
what are big clouds of dust and gas called.
nebulae.
what happens when the star exhaust its last amount of fuel?
The star collapses.
What is a star made of?
Plasma
What does the star form layers like?
What is Apparent magnitude?
How bright a star appears from Earth.
what is it called when the nebulae condenses into a dense region, what is that region called?
Protostar.
what happens to most average when they collapse?
Blow away there atmosphere and form a planetary nebulae.
How is a star held together?
By Gravity.
where are some elements only formed?
Supernova explosion.
What is absolute magnitude also known as luminosity?
Is how bright a star actually is.
what happens when the protostar continues to condense, then it reaches a critical mass. Then what happens?
Nuclear fusion?
What happens to the core as it burns as a white dwarf?
It's left behind as a black dwarf.
What is a nuclear reaction in stars?
when the star gets so hot it fuses stuff together.
what is a supernova explosion.
Blue
what is the Main sequence in a stars life?
Where the star spends most of it's life where the sun can sustain its mass.
what happens to the star if it is three times our sun and it collapses?
it will become a black hole.