Obs. : 2016-11-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.697e+11
Venus      3.750e+11
Earth      3.743e+11
Mars       3.833e+11
Jupiter    3.815e+11
Saturn     3.707e+11
Uranus     3.790e+11
Neptune    3.851e+11
Pluto      3.791e+11