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مشاهدة النسخة كاملة : Hubble Telescope Image Reveals a Cross Section of the Cosmos


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04-22-2014, 08:41 PM
Hubble Telescope Image Reveals a Cross Section of the Cosmos
http://rack.3.mshcdn.com/media/ZgkyMDE0LzA0LzIyLzU0L0h1YmJsZWdhbGF4LjY1Mzc0LmpwZw pwCXRodW1iCTU3NXgzMjMjCmUJanBn/147d55a7/477/Hubble-galaxy.jpghttp://rack.3.mshcdn.com/assets/feed-tw-df3e816c4e85a109d6e247013aed8d66.jpg (http://twitter.com/share?via=Mashable&text=Hubble+Telescope+Image+Reveals+a+Cross+Sectio n+of+the+Cosmos&src=http%3A%2F%2Fmashable.com%2F2014%2F04%2F22%2Fh ubble-telescope-universe%2F%3Futm_campaign%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_cid%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_medium%3Dfeed%26utm_source%3Drss)htt p://rack.1.mshcdn.com/assets/feed-fb-fdab25e3700868c9621fb03b7fd07c38.jpg (http://www.facebook.com/sharer.php?u=http%3A%2F%2Fmashable.com%2F2014%2F04 %2F22%2Fhubble-telescope-universe%2F%3Futm_campaign%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_cid%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_medium%3Dfeed%26utm_source%3Drss&src=sp)
A new photo from NASA's Hubble space telescope captures a variety of celestial objects both near and far, providing a glimpse of many different stages of cosmic history all at once.

The Hubble image, released April 17, is a 14-hour exposure that shows objects about 1 billion times fainter than the naked eye can make out, researchers said. Most of the galaxies (http://www.space.com/15680-galaxies.html) visible in the photo lie less than 5 billion light-years away, but some objects are much more distant.

For example, the photo shows a quasar located 9 billion light-years from Earth, meaning it has taken about two-thirds of the universe's history for the object's light to reach Hubble. (The Big Bang that created the universe occurred 13.8 billion years ago.) Read more... (http://mashable.com/2014/04/22/hubble-telescope-universe/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial&utm_medium=feed&utm_source=rss)

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