PIA13456: Asteroids in Virgo
 Mission:  Wide-field Infrared Survey Explorer (WISE)
 Instrument:  WISE Telescope
 Product Size:  933 x 700 pixels (w x h)
 Produced By:  IPAC-Caltech
 Full-Res TIFF:  PIA13456.tif (1.962 MB)
 Full-Res JPEG:  PIA13456.jpg (92.7 kB)

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Original Caption Released with Image:

This image from NASA's Wide-field Infrared Survey Explorer, or WISE, shows four galaxies in the Virgo cluster: Messier 59, Messier 60, NGC 4647, and NGC 4638. It also shows the tracks of three asteroids, which appear in this image as trails of green dots. The galaxies in the Virgo cluster contain billions of stars and are 55 million light-years away. The asteroids are members of the solar system and are only millions of kilometers away (several light-minutes).

The asteroids are seen as trails of dots because the image was made by combining several observations of this region taken at different times. The asteroids move from one observation to the next, creating the trail effect. WISE observed infrared light, and the colors here are representational. Blue and cyan (blue-green) represent light with a wavelength of 3.6 and 4.6 microns, respectively, showing mostly hot stars. Green and red represent light of 12 and 22 microns, respectively, showing cooler objects, like asteroids.

JPL manages the Wide-field Infrared Survey Explorer for NASA's Science Mission Directorate, Washington. The principal investigator, Edward Wright, is at UCLA. The mission was competitively selected under NASA's Explorers Program managed by the Goddard Space Flight Center, Greenbelt, Md. The science instrument was built by the Space Dynamics Laboratory, Logan, Utah, and the spacecraft was built by Ball Aerospace & Technologies Corp., Boulder, Colo. Science operations and data processing take place at the Infrared Processing and Analysis Center at the California Institute of Technology in Pasadena. Caltech manages JPL for NASA.

More information is online at http://www.nasa.gov/wise and http://wise.astro.ucla.edu.

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