APOD: 2009 April 25 - Dark Markings of the Sky

APOD: 2009 April 25 - Dark Markings of the Sky

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日期:2024-04-27
Typically a light-year or so across, many of Barnard's dark nebulae are themselves likely sites of future star formation. Tomorrow's picture: streaming mice < | Archive | Index | Search | Calendar | RSS | Education | About APOD | Discuss | > Authors & edi...看更多