| 1-2 of 2Flashcard sets with a 'black hole' term meaning 'object so dense that nothing, including light, can escape it' | |||
|---|---|---|---|
| # | Title | Terms | Date |
| 1 | third nine weeks exam, definitionsby keeperofpen | 20 terms | March 1, 2009 |
| 2 | Sci(Ch.25)by tiggerbell123 | 20 terms | March 5, 2009 |