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Vega-excess star |
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Vega-excess star [¦vā·gə ′ek‚ses ‚stär] (astronomy) A star from which is detected far-infrared emission greatly in excess of what the star alone should produce, believed to originate from a cloud of dust surrounding the star that may be analogous to the Kuiper belt dust in the solar system but has hundreds or thousands of times as much dust. 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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