exomoons
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Astronomers Spot What Could Be a Neptune-Sized Moon in a Distant Solar System
By scouring archival data from the now-retired Kepler space telescope, astronomers have found a promising new exomoon candidate, in what is an exceptionally rare discovery.
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Astronomers Wonder: Can Moons Have Moons?
Inquisitive kids ask some questions that parents just can’t answer. Astronomer Juna Kollmeier’s son gave her a real stumper one night back in 2014: “Can moons have moons?” So she went hunting for an answer.