Freefall 3360
Life problems in low gravity
[!0.987]2019-11-20
When it comes to cosmic rays, our primary shielding is the solar wind. Plasma ejected by the sun.
The heliosphere blocks about 70 to 90 percent of the cosmic rays from getting to us.
It's another case where empty space isn't quite empty, and when you have billions of kilometers of not quite empty, it adds up.
Bow Shock
Sun
Termination Shock
Heliosphere (Not very spherical)
Color by George Peterson