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Astronomy版 - Astronomy Picture of Day: M164: sleeping beauty
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发帖数: 1994
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M64: The Sleeping Beauty Galaxy
Credit: NASA and the Hubble Heritage Team (AURA/STScI), S. Smartt (IoA) & D. Richstone (U. Michigan) et al.
Explanation: The Sleeping Beauty galaxy may appear peaceful at first sight but it is actually tossing and turning. In an unexpected twist, recent observations have shown that the gas in the outer regions of this photogenic spiral is rotating in the
opposite direction from all of the stars! Collisions between gas in the inner and outer regions are creating ma
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