s*****t 发帖数: 1994 | 1 Cold Wind from the Boomerang Nebula
Credit: R. Sahai and J. Trauger (JPL), NASA/ESA
Explanation: A cold wind blows from the central star of the Boomerang Nebula. Seen here
in a detailed false-color image recorded in 1998 by the Hubble Space Telescope, the nebula
lies about 5,000 light-years away towards the grand southern constellation of Centaurus. The
symmetric cloud appears to have been created by a high-speed wind of gas and dust blowing
from an aging central star at speeds of |
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