NASA New Horizons spacecraft data measures how thick interstellar medium is – SlashGear

The only human spacecraft to ever enter interstellar space are the two Voyager spacecraft that traveled more than 30 years to get there. Once well past the orbit of Pluto, where the Sun’s influence ends, the spacecraft entered the zone between stars known as interstellar space. That interstellar space contains remains of the Big Bang and other particles from the billions of stars in the universe. NASA’s New Horizons spacecraft has provided data used in a study published recently that looks at a…

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