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‘A complete surprise’: Astronomers find asteroid called ‘Chariklo’ has twin rings

Astonished astronomers said Wednesday they had found rings around an asteroid, the smallest object known to have this feature and only the fifth after Jupiter, Saturn, Uranus and Neptune. The twin rings around a rock called Chariklo were spotted in June last year as it passed in front of a…

WATCH LIVE: NASA launching probe to Jupiter

Watch the launch of a NASA probe to Jupiter. This live video is from MSNBC. Visit msnbc.com for breaking news, world news, and news about the economy…