23.10: Beyond the Solar System- Challenge 2
- Page ID
- 6249
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- 1. ___ stars use up hydrogen quickly and have short lives.
- Large
- 2. ___ are small, white stars that eventually fade away.
- White dwarfs
- 3. When the Sun becomes a red giant, Earth ___.
- will be engulfed by the Sun's outer layers
- 4. When a star like the Sun uses up all the helium in its core, it becomes a ___.
- white dwarf
- 5. VY Canis Major, the largest known star, is a ___.
- red hypergiant
- 6. When a red supergiant uses up all its helium, ___.
- fusion continues, forming heavier atoms up to iron
- 7. A neutron star has about ___ more mass than Earth.
- 500,000 times
- 8. A neutron star is only about ___ in diameter.
- a few kilometers
- 9. After a supernova, the remnants become either a ___ or a ___, depending on their mass.
- black hole; neutron star