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  • PHOTO COMPOSITE OF SUSPECTED WATER PLUMES ON EUROPA.  

This composite image shows suspected plumes of water vapor erupting at the 7 o'clock position off the limb of Jupiter's moon Europa. The plumes, photographed 
by Hubble's Space Telescope Imaging Spectrograph, were seen in silhouette as the moon passed in front of Jupiter. Hubble's ultraviolet sensitivity allowed for the features, rising over 100 miles above Europa's icy surface, to be discerned. The water is believed to come from a subsurface ocean on Europa. The Hubble data were taken on January 26, 2014. The image of Europa, superimposed on the Hubble data, is 
assembled from data from the Galileo and Voyager missions.
    NASA, ESA, W. Sparks (STScI), and the USGS Astrogeology Science Center
    PHOTO COMPOSITE OF SUSPECTED WATER PLUMES ON EUROPA. This composite image shows suspected plumes of water vapor erupting at the 7 o'clock position off the limb of Jupiter's moon Europa. The plumes, photographed by Hubble's Space Telescope Imaging Spectrograph, were seen in silhouette as the moon passed in front of Jupiter. Hubble's ultraviolet sensitivity allowed for the features, rising over 100 miles above Europa's icy surface, to be discerned. The water is believed to come from a subsurface ocean on Europa. The Hubble data were taken on January 26, 2014. The image of Europa, superimposed on the Hubble data, is assembled from data from the Galileo and Voyager missions.
  • ARTIST'S VIEW OF PLUMES ON EUROPA.  

This is an artist’s concept of the moon Europa, at right, with water-ice plumes 
erupting from its limb at the 7 o’clock position. In the background is Jupiter’s orange, volcanic moon Io. Io’s shadow appears in the center of Jupiter’s face, left.
    NASA, ESA, and G. Bacon (STScI)
    ARTIST'S VIEW OF PLUMES ON EUROPA. This is an artist’s concept of the moon Europa, at right, with water-ice plumes erupting from its limb at the 7 o’clock position. In the background is Jupiter’s orange, volcanic moon Io. Io’s shadow appears in the center of Jupiter’s face, left.
  • STILL ILLUSTRATION OF EUROPA TRANSITING GEOMETRY.  

This diagram show how the plumes on Europa are seen in silhouette as the moon moves across the face of Jupiter. Europa makes a complete orbit of Jupiter 
in just 3.5 Earth days.
    NASA, ESA, and A. Feild (STScI)
    STILL ILLUSTRATION OF EUROPA TRANSITING GEOMETRY. This diagram show how the plumes on Europa are seen in silhouette as the moon moves across the face of Jupiter. Europa makes a complete orbit of Jupiter in just 3.5 Earth days.
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