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Astronomy

A Beautiful Illustration Of How Gravitational Lensing Works

Posted September 3, 2014 by George Dvorsky

Astronomers have this neat trick where they turn large celestial objects, like galaxies, into magnifying glasses that illuminate more distant objects behind them. This artist’s impression, in which a remote merging galaxy is magnified, shows how it wo…

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Allan's Perspective

DUCK!

Posted May 8, 2014 by Allan W Janssen

Most of us were blissfully unaware, but a huge asteroid the size of a double-decker bus careered past the Earth over the weekend. The space rock flew within 186,000 miles of the planet after being spotted by astronomers a few days before. While the distance from the planet might seem big, the asteroid in fact […]

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