When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ...
Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all with slightly different characteristics but collectively believed to be ...
Smithsonian Magazine on MSN
Don’t Miss These Ten Celestial Events in 2026, From Aligned Planets to a Total Solar Eclipse
The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...
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