標題: [其他類別] 2010年一棵SOHO彗星 [打印本頁]
作者:
rogerrao 時間: 2010-1-3 21:17 標題: 2010年一棵SOHO彗星
動畫
http://www.youtube.com/watch?v=HK4fVErOsQU
作者:
winson 時間: 2010-1-4 10:27
酷啊.
很久沒看SOHO了,還查不到是誰發現的.
不過意外看到我發現的第一顆SOHO的更多檔案.
很可惜沒後面的圖了,只比這棵小一點喔.
SOHO838
[ 本帖最後由 winson 於 2010-1-4 10:35 編輯 ]
作者:
wisely 時間: 2010-1-5 10:17
SpaceWeather.com
COMET TOAST: The solar system has one less comet. The subtraction occurred yesterday when a bright comet discovered by NASA's STEREO-A spacecraft plunged toward the sun and evaporated. The Solar and Heliospheric Observatory (SOHO) had an excellent view of the encounter. Click on the image to set the scene in motion:
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One "dirty snowball" went in; none came out. The doomed comet was a member of the Kreutz sungrazer family. Named after a 19th century German astronomer who studied them in detail, Kreutz sungrazers are fragments from the breakup of a giant comet at least 2000 years ago. Several of these fragments pass by the sun and disintegrate every day. Most are too small to see but occasionally a big fragment--like this one--attracts attention.
Credit: The comet was found on Jan. 2nd by Australian amateur astronomer Alan Watson, who was inspecting images obtained by STEREO-A's Heliospheric Imager on Dec. 30, 2009.
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