Obs. : 2015-01-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.782e+11
Venus      4.782e+11
Earth      4.430e+11
Mars       4.851e+11
Jupiter    4.398e+11
Saturn     4.276e+11
Uranus     4.726e+11
Neptune    4.830e+11
Pluto      4.472e+11