Obs. : 2018-10-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.529e+11
Venus      3.529e+11
Earth      3.677e+11
Mars       3.623e+11
Jupiter    3.571e+11
Saturn     3.597e+11
Uranus     3.683e+11
Neptune    3.654e+11
Pluto      3.611e+11