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    How many light years from earth are the most distant object ever seen from an earth based telescope, the most distant ever seen from the Hubble Space Telescope, and the most distant ever detected with radio telescopes?

    Question #73584. Asked by hohohaha. (Dec 21 06 5:01 AM)


    skysmom65

    Astronomers using the Subaru telescope in Hawai’i have looked 60 million years further back in time than any other astronomers, to find the most distant known galaxy in the universe. In doing so, they are upholding Subaru’s record for finding the most distant and earliest galaxies known. Their most recent discovery is of a galaxy called I0K-1 that lies so far away that astronomers are seeing it as it appeared 12.88 billion years ago.

    This discovery, based on observations made by Masanori Iye of the National Astronomical Observatory of Japan (NAOJ), Kazuaki Ota of the University of Tokyo, Nobunari Kashikawa of NAOJ, and others indicates that galaxies existed only 780 million years after the universe came into existence about 13.66 billion years ago as a hot soup of elementary particles.

    To detect the light from this galaxy, the astronomers used Subaru telescope’s Suprime-Cam camera outfitted with a special filter to look for candidate distant galaxies. They found 41,533 objects, and from those identified two candidate galaxies for further study using the Faint Object Camera and Spectrograph (FOCAS) on Subaru. They found that IOK-1, the brighter of the two, has a redshift of 6.964, confirming its 12.88 billion-light-year distance.

    http://www.universetoday.com/2006/09/15/subaru-finds-the-most-distant-galaxy/

    Dec 21 06, 11:54 AM


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