0 Question: which is the smallest known planet Keywords: planet Asked by 223tntd28 to Carsten, Monique on 11 Nov 2015. This question was also asked by Starbro.
Carsten Welsch answered on 11 Nov 2015:
Two years ago scientists have discovered a planet that is smaller than Mercury (the smallest one in the solar system and smallest one known until 2013)
http://news.yale.edu/2013/02/20/astronomers-find-smallest-known-planet-smaller-mercury
MIkey commented on 12 Nov 2015:
Neptune
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MIkey commented on :
Neptune