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| Measuring a Star Using... a Moon? Discovery News Those of you who are taking Astronomy 101, quick, tell me Kepler's Third Law! This relates the size of a planet's orbit to the time it takes to go around ... See all stories on this topic » | ||
| Irish amateur astronomer finds supernova The New York Irish Emgirant Amateur astronomer David Grennan and his wife Carol of Raheny, Dublin were stargazing from their garden shed observatory recently when they discovered a ... See all stories on this topic » |
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