Ultra Deeply

Cosmic Variance
By Sean Carroll
Dec 9, 2009 8:41 AMNov 20, 2019 5:12 AM


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The Hubble Space Telescope has come out with a new ultra deep field image -- this one in the near-infrared, taken with the Wide Field Camera 3 (WFC3) that was installed on the latest servicing mission. Colors are fake (obviously, unless you have infrared vision), but the spirit of the colors has been preserved -- red regions are redder in real life, etc. Click on the image for a higher-resolution version (about 1.6 MB). Even higher resolutions available at HubbleSite.

Not too different, to the naked eye, from previous incarnations of the ultra deep field. That's okay. I can sit and stare at these images for hours. Every one of those blobs is a galaxy! Holy crap.

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