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| Term | Definition |
|---|---|
| constellation | A group of stars that form a pattern in the sky |
| apparent brightness | how bright a star looks from Earth |
| absolute brightness | The brightness a star would have if it were at a standard distance from Earth. |
| light-year | the distance light travels over a coarse of one earth year. |
| parallax | apparent change in position of an object when you look at it from different places |
| Hertzsprung-Russell Diagram | used to classify stars and to understand how stars change over time |
| Terms | 6 |
| Creator | kristen_mccormack |
| Created | November 15, 2009 |
| Groups | None |
| Subject | Science |
| Access | Anyone |
| Edit | Creator Only |
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