Hubble Deep Field
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Hubble Deep Field

February 8, 2005
This false-color image is a closeup of the Hubble Space Telescope's "Deep Field," showing a region of the sky that is only 41 arcseconds on a side (about one-fortieth the size of the Moon). The red regions in this figure correspond to galaxies and stars that Hubble detects. The smallest red patches are galaxies that are four billion times fainter than the human eye could see.

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