End-Permian Extinction Lasted Ten Times Longer on Land Than Water

End-Permian Extinction Lasted Ten Times Longer on Land Than Water

The biggest mass extinction event on Earth occurred at the end of the Permian period, resulting in the extinction of 95% of marine life and 80% of terrestrial life. Now, scientists have found that the terrestrial portion of the event lasted nearly ten times as long as the ocean version. Plus, a spaghettified star, the search for Moon Trees, all about Mars, and new works on dark matter and dark energy.

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Not Surprising Anyone, Satellite Proliferation Contributes to Light Pollution

Not Surprising Anyone, Satellite Proliferation Contributes to Light Pollution

A new study examined the effects of recent increases in the number of space objects orbiting Earth and found that the proliferation of satellites contributes to a nearly ten percent increase over natural lighting of the night sky. Plus, Mars, Uranus, Neptune, ancient Earth, volcanoes, and our weekly What’s Up segment.

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