| | December 6
Astronomy Cave Art | | | |
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| | |  The Shaft Scene in the Lascaux Caves in France. It features a dying man and several animals. Researchers now say this ancient cave art might commemorate a comet strike around 15,200 BC. Image via Alistair Coombs. | | | | Prehistoric cave art suggests ancient use of complex astronomy | | | Researchers have learned that - as far back as 40,000 years ago - cave-dwellers in what's now Turkey, Spain, France and Germany used a method of date-keeping based on the stars. Some of their cave paintings aren't just depictions of wild animals. Instead they represent constellations in the night sky. Read more. | | | | | | | What we're reading …
The 'camera that saved Hubble' turns 25 | | | Twenty-five years ago this week, NASA held its collective breath as 7 astronauts on space shuttle Endeavour caught up with the Hubble Space Telescope 353 miles (568 km) above Earth. Their mission: to fix a devastating flaw in the telescope's primary mirror. Read more. | | | | | |
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|  | | | Tonight … Orion the Hunter and the Milky Way | | The constellation Orion is very noticeable. Given a dark sky, you can see the luminous band of the Milky Way running behind it. | | | | | |
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 | | | A few people caught Mercury! | | We weren't sure if any of you would catch Mercury so near the sunrise glare. But you did! This photo is from our friend Lunar 101-Moon Book. We're expecting more Mercury photos. Here's why. | | |
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