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top news story
Phoenix Surpasses 90-day MilestoneNASA's newest Martian lander has now been scratching, digging, sniffing, baking and tasting samples of the Red Planet's polar terrain for more than three months. How long can it survive in the fast-approaching Martian winter — and how much more can it learn? > read more
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observing
This Week's Sky at a Glance
Tiny little Mars passes brighter Venus low in the sunset this week. Bright Jupiter shines highest at dusk, offering occasional views of its Great Red Spot as it turns and, for some observers, a double satellite shadow transit by its satellites.
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equipment info
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Photo Gallery
Photo Gallery
Here we showcase amateur astrophotos from visitors to our online photo gallery. > read more
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community
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WORLDWIDE TELESCOPE
Join our WorldWide Telescope community. Download interactive star-hop tours, upload your astrophotos, and more. > join today
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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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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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