Astronomers Wonder: Can Moons Have Moons? TA Labs 7:51 AM News ta labs 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: Read more... from Gizmodo https://ift.tt/2ILasHA Share this Share on FacebookTweet on TwitterPlus on Google+
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