Obs. : 2018-08-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.477e+11
Venus      3.462e+11
Earth      3.511e+11
Mars       3.449e+11
Jupiter    3.470e+11
Saturn     3.455e+11
Uranus     3.558e+11
Neptune    3.480e+11
Pluto      3.441e+11