B NYTimes: 79 Moons of Jupiter and Counting

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Scientists have discovered a dozen new moons orbiting Jupiter, increasing the total to 79. The announcement was made by Scott S. Sheppard of the Carnegie Institution for Science. The newly identified moons are relatively small, measuring between half a mile and two miles wide, and orbit at significant distances from Jupiter. This distance is a key reason they had previously gone unnoticed. The discussion also notes that only ten of the moons are new, as two were reported last year.
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By Kenneth Chang

  • July 18, 2018
On Tuesday, scientists led by Scott S. Sheppard of the Carnegie Institution for Science announced the discovery of a dozen moons around Jupiter, bringing the total number orbiting the solar system’s largest planet to 79. Next to the famous moons that Galileo spotted through his telescope in 1610 — bigger-than-Mercury Ganymede, deeply cratered Callisto, volcanic Io, icy Europa — the new ones are slight. They measure between a half mile and two miles wide and orbit millions of miles from the planet — good explanations for why no one had seen them until now.

Article Continues:
https://www.nytimes.com/2018/07/18/science/jupiter-new-moons.html

Source Link - Carnegie Institution:
https://carnegiescience.edu/node/2367

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In fact, only ten of the moons are new. Two had been announced last year. See https://www.skyandtelescope.com/astronomy-news/jupiters-moons-12-more-found-79-now-known/
 
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