ABOUT THIS IMAGEThis is a false-color composite image of the Fomalhaut System taken with the Hubble telescope's Space Telescope Imaging Spectrograph (STIS) instrument in 2010 and 2012. The black circle at the center of the image blocks out the light…
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'Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA's Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate structure of…
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Bright pink nebulae almost completely encircle a spiral galaxy in this NASA/ESA Hubble Space Telescope image of NGC 922. The ring structure and the galaxy's distorted spiral shape result from a smaller galaxy scoring a cosmic…
ABOUT THIS IMAGEThis VLA radio composite image shows the active galaxy 3C 348, also known as Hercules A. The VLA data, which record frequencies from 4-9 GHz, were taken in 2010-2011.
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NASA's Hubble Space Telescope shows a rare view of a pair of overlapping galaxies, called NGC 3314. The two galaxies look as if they are colliding, but they are actually separated by tens of millions of light-years, or about ten…
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This composite image shows the distribution of dark matter, galaxies, and hot gas in the core of the merging galaxy cluster Abell 520, formed from a violent collision of massive galaxy clusters.
The natural-color image of the galaxies…
ABOUT THIS IMAGEESO 243-49 is believed to be home to an intermediate-mass black hole, HLX-1. The edge-on spiral galaxy is 290 million light-years from Earth.