| 1-2 of 2Flashcard sets with a 'black hole' term meaning 'an object whose gravity is so strong that the escape velocity from it exceeds the speed of light' | |||
|---|---|---|---|
| # | Title | Terms | Date |
| 1 | chapter 10 quizby reg202 | 42 terms | July 5, 2009 |
| 2 | astronomy final 6by cgreen3 | 8 terms | May 3, 2009 |