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Java Games: Flashcards, matching, concentration, and word search. |
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Chapter 19 Stars, Galaxies, & the Universe
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| Big Bang Theory | The theory that the universe began with a tremendous explosion. |
| Black Hole | An object that is so massive that light cannot escape its gravity. |
| Galaxy | Large groups of stars, dust, and gas. |
| Main Sequence | The diagonal pattern on the H-R diagram where most stars lie. |
| Supernova | A gigantic explosion in which a massive star collapses and throws its outer layers into space. |
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