Set: Chapter 16
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All 5 Terms
| | Term | Definition |
|---|---|---|
| |
nebula | a cloud of gas and dust in which new stars form. |
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supernova | a gigantic explosion that occurs near the end of the life of some stars. |
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black hole | a point in space that has such a strong force of gravity that nothing a certain distance of it can escape. |
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galaxy | a huge system of stars, dust, and gas held together by gravity. |
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spiral galaxy | bright group of stars bulging in the center and wispy arms that move around the center. |