delphij's Chaos


12 Mar 2004

The Witch's Broom [NASA]

The Witch’s Broom

Ten thousand years ago, before the dawn of recorded human history, a new light must suddenly have appeared in the night sky and faded after a few weeks. Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula. Pictured above is the west end of the Veil Nebula known technically as NGC 6960, but less formally as the Witch’s Broom Nebula. The rampaging gas gains its colors by impacting and exciting existing nearby gas.

From: Astronomy Picture of the Day
Credit & Copyright: T. A. Rector (U. Alaska), NOAO, AURA, NSF

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Archived: 1 Comment

端木 | March 12, 2004 10:34 PM

想来多年前自学的那些天文知识,全都荒废了~~~ 中国的教育制度+我自己的欠缺的自制力,真是诲人不倦啊~~