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active prominence region |
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active prominence region [′ak·tiv ′präm·ə·nəns ‚rē·jən] (astronomy) Portions of the solar limb that display active prominences, characterized by down-flowing knots and streamers, sprays, frequent surges, and curved loops. Abbreviated APR. 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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