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The Milky Way's Most Recent Supernova

Hidden behind interstellar clouds is a blast wave from a star that blew up as recently as 1850. > read more
observing
Catch Mercury at Its Best
Mercury is normally elusive, but it's putting on an extraordinarily good evening show for observers at mid-northern latitudes from late April through mid-May 2008. > read more
Observing Highlights Sky Tour Podcast
This Week's Sky at a Glance
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Constellation of Scorpius
Photo Gallery
Here we showcase amateur astrophotos from visitors to our online photo gallery. > read more

 
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WORLDWIDE TELESCOPE
Join our WorldWide Telescope community. Download interactive star-hop tours, upload your astrophotos, and more. > join today
 
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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the top five:
Recent Articles
The Milky Way's Most Recent Supernova
Find a Missing Mars Lander!
S&T's WorldWide Telescope Community
Microsoft Launches Astronomy Software
"The Antennae" Fall Into Line
Emailed Articles
How Type-Ia Supernovae Work: The Movie
This Week's Sky at a Glance
Microsoft Launches Astronomy Software
Hubble Servicing Delayed
Catch Mercury at Its Best
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