Obs. : 2015-10-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.785e+11
Venus      4.477e+11
Earth      3.952e+11
Mars       4.595e+11
Jupiter    4.595e+11
Saturn     4.613e+11
Uranus     3.988e+11
Neptune    4.254e+11
Pluto      4.422e+11