Obs. : 2019-08-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.422e+11
Venus      3.389e+11
Earth      3.514e+11
Mars       3.389e+11
Jupiter    3.433e+11
Saturn     3.490e+11
Uranus     3.566e+11
Neptune    3.514e+11
Pluto      3.490e+11