Density of Interstellar Helium Near Earth (IMAGE)

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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