Moons circle planets, and planets circle stars. Now, astronomers have learned that planets may also circle celestial bodies almost as small as planets. NASA’s Spitzer Space Telescope has spotted a ...
The Panel on Small Solar System Bodies is one of six panels providing topical input to the Planetary Science and Astrobiology Decadal Survey Steering Group. This panel will discuss the role played by ...
A small solar system denizen farther from the sun than Pluto may be shrouded in a thin atmosphere. If confirmed, it would be the first object of its size known to host even a tenuous atmosphere. “This ...
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