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Big Galaxy in Baby Universe
NASA's Spitzer and Hubble Space Telescopes combined forces to uncover one of the most distant galaxies ever seen. The faraway galaxy, named HUDF-JD2 is not seen in Hubble's visible-light image, but was detected using Hubble's near infrared camera and multi-object spectrometer. It appears even brighter at the longer infrared wavelengths, as revealed by the Spitzer infrared camera.
At visible wavelengths, the light from the galaxy is absorbed by intervening hydrogen gas, and so the galaxy appears faint in the Hubble visible and near-infrared images. The surprise is how bright is appears to Spitzer in the infrared, suggesting a very massive and distant galaxy.
This image is a false-color composite of Hubble/ACS B-band data (blue), Hubble/NICMOS K-band data (red) and Spitzer 8 micron data (red).
Related Media
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News Release NASA Finds 'Big Baby' Galaxies in Newborn Universe ssc2005-19 |
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Image Big Galaxy in Baby Universe ssc2005-19a |
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Image Spitzer and Hubble Team up to Find 'Big Baby' Galaxies in the Distant Universe ssc2005-19b |
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Audio What's a Big Galaxy Doing in the Baby Universe? SpitzerAudio-005 |
Image Components
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Image Big Galaxy in Baby Universe ssc2005-19a1 |
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Image Hubble Visible Light View of "Baby" Galaxy in the Distant Universe ssc2005-19a2 |
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Image Hubble Visible-Light and Near-Infrared View of a "Baby" Galaxy in the Distant Universe ssc2005-19a3 |
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Image Spitzer Infrared View of a "Baby" Galaxy in the Distant Universe ssc2005-19a4 |
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