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News Release Archive:

News Release 455 of 961

June 1, 2004 11:00 AM (EDT)

News Release Number: STScI-2004-19

Spitzer Leads NASA's Great Observatories to Uncover Black Holes, Other Hidden Objects in the Distant Universe

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Image: A Close-Up Look of Two of the Extremely Red Galaxies Revealed By Spitzer

A Close-Up Look of Two of the Extremely Red Galaxies Revealed By Spitzer

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ABOUT THIS IMAGE:

A close-up look of two of the extremely red galaxies revealed by Spitzer. While they are very faint (the bottom one) or even completely invisible (the top one) in the deepest-ever optical images obtained by Hubble, Spitzer easily picked them up because of their strong infrared emissions. Astronomers believe these galaxies are so red because they are very old, possibly as old as the Universe was — about 2 billion years — at the time when these galaxies emitted the lights that Spitzer received today.

Image Type: Astronomical/Illustration

Credit: NASA, ESA, A. M. Koekemoer (STScI), M. Dickinson (NOAO) and The GOODS Team

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