News tagged with optical telescopes

A new class of dim supernovae

The colossal stellar explosions called supernovae come in many kinds and flavours. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers ...

Jun 05, 2009
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An Intriguing, Glowing Galaxy

A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...

May 14, 2009
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Swift satellite comet tally highlighted

A montage of comet images made using NASA's Swift spacecraft illustrates just how different three comets can be. The images, including a never-released image of Comet 8P/Tuttle, were shown during a webcast ...

Apr 24, 2009
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Scientists Probe Green Comet

(PhysOrg.com) -- Space scientists from the University of Leicester are keeping a close eye on a ‘green comet’ fast approaching the Earth - reaching its nearest point to us on February 24.

Feb 20, 2009
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Raven soars through first light and second run

Raven, a Multi-Object Adaptive Optics (MOAO) science demonstrator, successfully saw first light at the Subaru Telescope on the nights of May 13 and 14, 2014 and completed its second run during the nights ...

Sep 02, 2014
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The economic impact of a Very Large Telescope

The European Southern Observatory's VLT, Very Large Telescope, is a group of four 8.2-metre diameter optical telescopes located in northern Chile. It also has four movable 1.8-metre diameter auxiliary telescopes and they ...

Jul 02, 2014
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Professional and amateur astronomers join forces

(Phys.org) —Long before the term "citizen science" was coined, the field of astronomy has benefited from countless men and women who study the sky in their spare time. These amateur astronomers devote hours ...

Apr 24, 2014
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Image: X-raying the cosmos

When we gaze up at the night sky, we are only seeing part of the story. Unfortunately, some of the most powerful and energetic events in the Universe are invisible to our eyes – and to even the best optical ...

Apr 22, 2014
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