Image: Two images of Colliding Galaxies (Very Large Array and Hubble Space Telescope)
Left caption: Very Large Array image showing distribution of gas and stars in the colliding pair of galaxies NGC 4038-39 (the Antennae) showing prominent tidal tails characteristic of two colliding disk galaxies.
Source: National Radio Astronomy Observatory; VLA image gallery (thesis work of Josh Hibbard).
Credit: Image courtesy of NRAO/AUI and J. Hibbard
Right caption: Inset shows high-resolution optical view of merging centers of the two galaxies, called the Antennae, taken with Hubble Space Telescope and illustrating the intense burst of star-formation that has been triggered by the collision.
Website: Right: http://hubblesite.org/gallery/showcase/galaxies/g8.shtml
Permission: Public domain
NSF use permitted: YES
NSF funded: NO
Source: Sandra Faber
Speaker at NSF Funded The Universe From the Ground Up Astronomy Symposium
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