Mercury will reach its greatest eastern elongation on Oct. 29, marking one of the best evenings to see the planet this fall as it appears farthest from the sun's glare in the twilight sky. As the ...
There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...
We will finally begin to untangle Mercury’s mysteries in 2026, as the BepiColombo spacecraft descend into orbit around the solar system’s innermost planet. BepiColombo consists of a pair of spacecraft ...
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