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Contact: Francis Reddy
NASA/Goddard Space Flight Center

Density of Interstellar Helium Near Earth

Caption: Colors indicate the density of interstellar helium near Earth and its enhancement in a downstream cone as the neutral atoms respond to the sun's gravity (blue is low density, red is high). Also shown are the observing angles for DXL and ROSAT.

Credit: NASA's Goddard Space Flight Center

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