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Hubble Space - College Essay

Hubble Space


Hubble Goes To The Limit In Search Of Farthest Galaxies
Stretching the vision of NASA's Telescope farther across space and further back into time than ever before, astronomers have peered into a previously unseen realm of the universe.
A "long exposure" infrared image taken with Hubble’s Near Infrared Camera and Multi-Object Spectrometer (NICMOS) has uncovered the faintest galaxies ever seen.
Astronomers believe some of these galaxies could be over 12 billion light-years away (depending on cosmological models) – making them the farthest objects ever seen. A powerful new generation of telescopes will be needed to confirm the suspected distances.
"NICMOS has parted the dark ...

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that their true nature can only be explored with the advanced telescopes of the future."
"This observation is a major step toward fulfilling one of Hubble's key objectives: to search for the faintest and farthest objects in the universe," adds Ed Weiler, NASA's acting Associate Administrator for Space Science.
In a separate discovery, Thompson also found that faint red galaxies matched up with compact blue knots of light seen in the earlier visible light image. "This means that some objects that appeared to be separate galaxies in the optical image are really hot star-forming regions in much larger older galaxies," he says.
Prior to the NICMOS observation, a ten-day long exposure called the Hubble Deep Field was Space Telescope's benchmark for the "deepest" view into the universe (with the exception of the cosmic microwave background that is farther away than any structures seen in the universe).
Astronomers had to wait for the infrared camera to be installed on Hubble to ...

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PAPER DETAILS
Added: 5/12/2005 03:13:52 AM
Category: Science & Nature
Type: Premium Paper
Words: 511
Pages: 2

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