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She mapped our solar system's "alternate fate" had it housed an extra planet between Mars and Jupiter instead of the existing asteroid belt. Simpson's paper, "How might a planet between Mars and ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

November 22, 2024 • Exoplanets are planets that exist outside our solar system. As a relatively new field of study, there's much to learn about these newly discovered worlds. November 20 ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system ... forged in the earliest days of our cosmic neighborhood.