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LiveScience
LiveScience
Harry Baker

10 out-of-this-world solar system discoveries made in 2023

Solar System NASA Jupiter Mercury Saturn Neptune Earth Pluto Venus Mars
The view shown here is an orthographic projection of Mercury's south polar region, colored by an illumination map.

Every year, we learn more about the intricacies of the solar system, and 2023 has been no different. This year, scientists shed more light on our cosmic neighborhood with some intriguing discoveries. From shrinking planets and new moons to an icy supervolcano and mysterious spots, here are the 10 wildest things we learned about the solar system in 2023. 

Mercury is shrinking 

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