Wednesday 18 July 2018

Pluto Behaves More Like a Planet Than Thought

Apologies to all of the Pluto-isn't-a-real-planet folks out there but researchers have found a way in which this ever-surprising world acts more planet-like than dwarf-like: how it interacts with the solar wind.

During New Horizons’ flyby through the Plutonian system in July 2015, the spacecraft’s Solar Wind Around Pluto (SWAP) instrument measured what happens when charged particles streaming out from the sun interact with Pluto’s atmosphere.

What was observed was a much less subtle comet-like interaction (as had been previously suspected) and more a hybrid comet/planet behavior, with the solar wind being deflected abruptly but relatively close to its upwind-facing surface. To get more information visit #www.starregister.org.

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