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A 'lost planet' may have given Jupiter and Uranus their moons
New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.
Look to the eastern sky, predawn, to see the Waning Crescent Moon pass Saturn and Mars, and turn your gaze to the western sky ...
Jupiter, Saturn, Uranus and Neptune did not always have their current positions in the solar system. According to the ...
Astronomers have discovered 12 new moons around Jupiter, putting the total count at a record-breaking 92. That's more than any other planet in our solar system. Saturn, the one-time leader, ...
Sky watchers in Washington state will have a lot to look at this month.
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