Obs. : 2015-10-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.049e+11
Venus      4.318e+11
Earth      4.546e+11
Mars       4.209e+11
Jupiter    4.209e+11
Saturn     3.895e+11
Uranus     4.326e+11
Neptune    4.205e+11
Pluto      4.041e+11