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Edge-on Spiral Galaxy ESO 243-49
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.
Merging Galaxy Cluster Abell 520
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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…
Chance Alignment Between Galaxies Mimics a Cosmic Collision
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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…
VLA Radio Image of Hercules A (3C 348)
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.
Hubble Sees a Galaxy Hit a Bull's-Eye
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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…
A Cosmic Holiday Ornament, Hubble-Style
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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…
Fomalhaut System
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…
Hubble Sees a Horsehead of a Different Color
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Looking like an apparition rising from whitecaps of interstellar foam, the iconic Horsehead Nebula has graced astronomy books ever since its discovery over a century ago. The nebula is a favorite target for amateur and professional…
Taken Under the "Wing" of the Small Magellanic Cloud
ABOUT THIS IMAGEThe Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. Even though it is a small or so-called dwarf galaxy, the SMC is so bright that it is visible to the unaided eye from the Southern Hemisphere and…
Hubble Reveals the Ring Nebula's True Shape
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In this composite image, visible-light observations by NASA's Hubble Space Telescope are combined with infrared data from the ground-based Large Binocular Telescope in Arizona to assemble a dramatic view of the well-known Ring…