A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.
Mid-Day on MSN
Possible first moon beyond solar system discovered
A massive object appears to be circling a brown dwarf in the CD-35 2722 system, but calling it a moon is not straightforward.
Geek Spin on MSN
Astronomers discover first moon outside our solar system
Astronomers have found what looks like the first moon outside our solar system, though the team is cautious about calling it ...
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