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Originally posted by Odessy
could you find that big anomaly Samureyed posted and do the images like you just did so we can compare the size of them at the same zoom?
The imagery for Google Sky comes from some of the largest ground- and space-based astronomical surveys.
The visible data comes from a combination of surveys: the Sloan Digital Sky Survey,
the Digital Sky Survey Consortium which you can find more about at: www.stsci.edu...,
www.caltech.edu..., www.roe.ac.uk..., and www.aao.gov.au...;
NASA and ESA's Hubble Space Telescope about which you can find more at the Space Telescope Science Institute
and the ESA Hubble Space Telescope home page. More details about these observatories can be found on our partners page.
Additional layers for Sky came from a number of space orbiting observatories:
the x-ray data from NASA's Chandra satellite, the ultraviolet images from NASA's GALEX satellite,
the infrared images from the joint NASA, Netherlands and UK Infrared Astronomical Satellite (IRAS)
and the microwave sky from NASA's Wilkinson Microwave Anisotropy Probe (WMAP) satellite.
The historical constellations layer are created from the historical maps available
at the David Rumsey Historical Maps Collection.
The layers were created in collaboration with the University of Washington sky team.