General Articles
European Extremely Large Telescope given go-ahead
Construction of world’s biggest optical telescope has been approved. The European Extremely Large Telescope (E-ELT) will have a primary mirror some 40m in diameter, and will be built on top of a mountain in Chile. Member states of the European Southern Observatory (Eso) organisation declared their support for the project on Monday at a meeting …
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Nasa’s Nustar X-ray telescope rides to orbit
Nasa has launched its latest orbiting X-ray observatory. The Nuclear Spectroscopic Telescope Array (Nustar) was sent into space on a Pegasus rocket operated out of the Kwajalein Atol in the central Pacific.Nustar will study high-energy X-rays coming from exotic sources such as black holes, exploded stars and the hot gas in galaxy clusters. The observatory …
Missed the Venus Transit in 2012?
The transit of Venus as seen from St. Paul, Minnesota. [Credit: See below]Did you miss the transit of Venus in front of the sun yesterday? Were there clouds in your skies? Stuck in Antarctica? If you didn’t catch this last alignment of our cloud-shrouded planetary neighbor and our closest star until 2117, here are some …
Live Venus Transit Webcasts
NASA is proud to bring you multiple ways to view this historic astronomical event. Use the map below, or the list to the left, to choose a live event. Not all events take place at the same time, and not all events will run through the entirety of the Venus Transit. So if your favorite …