galax often polish off each other . But what about galactic cluster ? It happens — and this is what it looks like when the largest gravitationally tie up objects in the universe slam into one another .
When Two Galaxies Collide
This neighborhood of space is located about five billion lite - long time from Earth . It show no less than four bunch of extragalactic nebula in the midst of a rather vehement and complex hit . Galactic clusters , which consist of anywhere from 100 to thousand of galaxies , are know for raging X - ray emitting gas and voluminous amounts of dark matter . And indeed , this special hit is triggering a emcee of phenomenon that astronomers are still attempt to interpret .
The image was put together by astronomers using the Karl G. Jansky Very Large Array ( VLA ) and the Chandra X - Ray Observatory . The icon was combined with an earlier persona from NASA ’s Hubble Space Telescope . The figure is so detailed you may make out individual galaxies in the foreground .
The Hubble data was used to form the backdrop of the composite icon , while the X - ray emission scan by Chandra is show in blue . Radio emissions see by the VLA are in red . The big , oddly - determine red feature at the center is likely an expanse where shocks induce by the hit are accelerating particles that then interact with magnetic fields and emit the radio undulation .
[ National Radio Astronomy Observatory ]
ChandraScience
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