Spitzer: Pitch Black: Cosmic Clumps Cast the Darkest Shadows

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bystander
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Spitzer: Pitch Black: Cosmic Clumps Cast the Darkest Shadows

Post by bystander » Sat May 31, 2014 6:53 pm

Spitzer: Pitch Black: Cosmic Clumps Cast the Darkest Shadows

Astronomers have found cosmic clumps so dark, dense and dusty that they throw the deepest shadows ever recorded. Infrared observations from NASA's Spitzer Space Telescope of these blackest-of-black regions paradoxically light the way to understanding how the brightest stars form.

The clumps represent the darkest portions of a huge, cosmic cloud of gas and dust located about 16,000 light-years away. A new study takes advantage of the shadows cast by these clumps to measure the cloud's structure and mass. ...

The Darkest Shadows: Deep Mid-Infrared Extinction Mapping of a Massive Protocluster - Michael J. Butler et al
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