Obs. : 2019-01-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.516e+11
Venus      3.401e+11
Earth      3.541e+11
Mars       3.579e+11
Jupiter    3.401e+11
Saturn     3.470e+11
Uranus     3.574e+11
Neptune    3.565e+11
Pluto      3.516e+11