The John Batchelor Show

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January 2, 2012

WISE, NASA's Wide-field Infrared Survey Explorer, has a new view of Barnard 3, or IRAS Ring G159.6-18.5, that is awash in bright green and red dust clouds. Interstellar clouds like these are stellar nurseries, where baby stars are being born.

The green ring is made of tiny particles of warm dust...

January 1, 2012

In its entirety, it is estimated that M74 is home to about 100 billion stars, making it slightly smaller than our Milky Way. Image Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA   Saturday 905P Eastern Time: The Liberty Bell (Icons of America) by Gary B. Nash (Feb 22, 2011)....

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