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Keyword: astronomypicoftheday

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  • Astronomy Picture for Today

    12/23/2005 5:11:17 AM PST · by HOTTIEBOY · 8 replies · 404+ views
    Nasa ^ | 12/22/2005 | DG
    Andromeda Island Universe Credit & Copyright: Robert Gendler Explanation: The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy some two million light-years away. But without a telescope, even this immense spiral galaxy - spanning over 200,000 light years - appears as a faint, nebulous cloud in the constellation Andromeda. In contrast, a bright yellow nucleus, dark winding dust lanes, gorgeous blue spiral arms and star clusters are recorded in this stunning telescopic digital mosaic with a cumulative exposure of over 90 hours. While even casual skygazers are now inspired by the knowledge...