Stars
- How do stars begin?
- What is meant by the term
"protostar"?
- How do astronomers measure
the temperatures of stars?
- How do astronomers determine
if stars are moving toward us or away from us?
- What is a "main sequence"
star?
- What is a "red giant"?
- What is a "white
dwarf"?
- What is a "neutron
star"?
- What is a "black
hole"?
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