stsci_2019-04a February 20th, 2019
Credit: NASA, ESA, and J. Olmsted (STScI)
This is an artist's concept of the tiny moon Hippocamp that was discovered by the Hubble Space Telescope in 2013. Only 20 miles across, it may actually be a broken-off fragment from a much larger neighboring moon, Proteus, seen as a crescent in the background. This is the first evidence for a moon being an offshoot from a comet collision with a much larger parent body.
Provider: Space Telescope Science Institute
Image Source: https://hubblesite.org/contents/news-releases/2019/news-2019-04
Curator: STScI, Baltimore, MD, USA
Image Use Policy: http://hubblesite.org/copyright/
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