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main sequence |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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main sequence [′mān ′sē·kwəns] (astronomy) The band in the spectrum luminosity diagram which has the great majority of stars; their energy derives from core burning of hydrogen into helium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Long-term energy sources are indispensable because it takes billions of years for life to develop, and you must have what physicists call main sequence stars which are steadily-burning, long-lived stars. |
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