Cool halo gas caught spinning like galactic disks

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Astronomers have discovered cool halo gas spinning in the same direction as galactic disks in typical star-forming galaxies. Their findings suggest that the whirling gas halo will eventually spiral in towards the galactic disk where it can fuel star formation.
via Science Daily
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Meteors help Martian clouds form

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Researchers think they've solved the long-standing mystery of how Mars got all of its clouds.
via Science Daily
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Sun's history found buried in Moon's crust

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The Sun's rotation rate in its first billion years is unknown. Yet, this spin rate affected solar eruptions, influencing the evolution of life. Scientists think they've figured it out by using the Moon as critical evidence.
via Science Daily
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