Obs. : 2016-07-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.014e+11
Venus      4.014e+11
Earth      4.419e+11
Mars       4.289e+11
Jupiter    3.979e+11
Saturn     4.381e+11
Uranus     4.292e+11
Neptune    4.391e+11
Pluto      4.443e+11