Obs. : 2019-08-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.393e+11
Venus      3.373e+11
Earth      3.530e+11
Mars       3.373e+11
Jupiter    3.480e+11
Saturn     3.480e+11
Uranus     3.571e+11
Neptune    3.523e+11
Pluto      3.486e+11