Obs. : 2018-07-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.518e+11
Venus      3.506e+11
Earth      3.570e+11
Mars       3.552e+11
Jupiter    3.592e+11
Saturn     3.570e+11
Uranus     3.540e+11
Neptune    3.534e+11
Pluto      3.560e+11