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A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...
Astronomers have long suspected that an enormous, unseen planet is hiding somewhere far beyond Neptune, quietly shaping the ...
The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...
For comparison, a given location on Earth experiences a total solar eclipse only ... moon and the five naked-eye planets were contained within a space measuring just 25.9 degrees across.