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early-type star |
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early-type star n (Astronomy) Astronomy any massive hot star of spectral type O, B, or A. Compare late-type star [from the mistaken belief that hot and old stars evolved into cool young stars] 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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The term was coined in the early 20th century, when there was a belief that stars began their history as early-type stars of class O, B, or A, and subsequently cooled to late-type stars. |
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