4-24-13
Astronomy
QUIZ
1. An object that has a gravitational field that light can not escape.
2. YES, It would be interesting
3. YES
4. A collapsing star.
5. A massive black hole.
6. 4 million solar masses.
7. An English geologist and philosopher.
8. A French mathematician and astronomer.
9. A German physicist.
10. 8.869 mm.
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