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top news story
Future Shock From Gliese 710Is our solar system's Oort Cloud in danger of being stirred up by a passing star? A fresh analysis of Hipparcos observations argue that the answer is most likely "yes" — but not for another 1.4 million years. > read more
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observing
This Week's Sky at a Glance
The thin Moon passes Venus low in the west in bright twilight this week. And Mars remains shining near Castor and Pollux high overhead after dark. > read more
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equipment info
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Photo Gallery
Photo Gallery
See the latest amateur astrophotos from visitors to our online photo gallery. > read more
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community
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IVAN SEMENIUK'S UNIVERSE
Sky & Telescope contributing editor Ivan Semeniuk reports on the latest findings in astronomical science. > read more
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LET'S GO STARGAZING!
Astronomy doesn’t have to be hard! Inside here are articles for stargazers of all ages in clear, easy-to-understand language. > read more
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SkyandTelescope.com's Free E-newsletters
Weekly Bulletin
A roundup of the week's astronomy and sky news. AstroAlert Our e-mail rapid-response system for advanced amateur astronomers; as events warrant. |
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