P8 - Space Flashcards
1
Q
What is the life cycle of a star smaller than the sun?
A
Nebula, protostar, main sequence, red giant, white dwarf, black dwarf
2
Q
What is the life cycle of a star bigger than the sun?
A
Nebula, protostar, main sequence, red super giant, supernova, neutron star or black hole
3
Q
What happens at the protostar stage?
A
Hydrogen nuclei undergo fusion to form helium nuclei
4
Q
What happens at the main sequence stage?
A
Long, stable period
5
Q
What happens at the red giant stage?
A
Heavier elements (up to Iron Fe) are created
6
Q
What is red shift?
A
The changing of wavelengths of light from distant galaxies.
