Obs. : 2015-12-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.439e+11
Venus      4.496e+11
Earth      4.358e+11
Mars       4.422e+11
Jupiter    4.378e+11
Saturn     4.557e+11
Uranus     4.232e+11
Neptune    4.186e+11
Pluto      4.551e+11