space Flashcards
1
Q
what is the big bang theory
A
all of the matter and energy in the universe expanded from a single point
2
Q
what was the first atom to be created in the universe
A
hydrogen
3
Q
what does nebula mean
A
cloud of gas and dust
4
Q
what does nuclear fusion mean
A
the process that takes place in the core of the sun ( merges atoms together)
5
Q
3 possible life paths for stars
A
- low mass nebula
- medium mass nebula
- high mass nebula
6
Q
low mass nebula
A
nebula - protostar - red dwarf - white dwarf
7
Q
medium mass nebula
A
nebula - protostar - red giant - planetary nebula - white dwarf - black dwarf
8
Q
high mass nebula
A
nebula - protostar - red supergiant - supernova - neutron star - black hole
9
Q
what is a supernova
A
stars that eventually died creating a massive explosion called supernova
