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Astronomy Picture of the Day
NASA ^ | 3/23/08 | FORS Team, 8.2-meter VLT Antu, ESO

Posted on 03/23/2008 5:49:26 AM PDT by sig226

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Molecular Cloud Barnard 68
Credit:
FORS Team, 8.2-meter VLT Antu, ESO

Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. The eerily dark surroundings help make the interiors of molecular clouds some of the coldest and most isolated places in the universe. One of the most notable of these dark absorption nebulae is a cloud toward the constellation Ophiuchus known as Barnard 68, pictured above. That no stars are visible in the center indicates that Barnard 68 is relatively nearby, with measurements placing it about 500 light-years away and half a light-year across. It is not known exactly how molecular clouds like Barnard 68 form, but it is known that these clouds are themselves likely places for new stars to form. It is possible to look right through the cloud in infrared light.


TOPICS: Astronomy Picture of the Day
KEYWORDS: apod; ophiuchus

1 posted on 03/23/2008 5:49:26 AM PDT by sig226
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To: fnord; Number57; KevinDavis; rdb3; MNJohnnie; thoughtomator; RightWhale; proudofthesouth; ...

2 posted on 03/23/2008 5:50:03 AM PDT by sig226 (Real power is not the ability to destroy an enemy. It is the willingness to do it.)
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To: sig226

I think I see an outline of South America..:)


3 posted on 03/23/2008 5:57:52 AM PDT by GeorgiaDawg32 (GET A GUN....When seconds count between life and death, the police are only minutes away..)
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To: sig226

4 posted on 03/23/2008 6:02:11 AM PDT by samtheman
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To: sig226

We’re all gonna die!!!!

It’s going to devour us all!!


5 posted on 03/23/2008 6:29:19 AM PDT by KoRn (CTHULHU '08 - I won't settle for a lesser evil any longer!)
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To: sig226
A video about the Hubble Telescope
6 posted on 03/23/2008 9:17:53 AM PDT by Mike Darancette (Obama: America is the greatest country on the earth, Help me bring change.)
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To: sig226

I bet it smells funny in there.


7 posted on 03/23/2008 1:19:06 PM PDT by mowowie
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