Obs. : 2015-01-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.640e+11
Venus      4.640e+11
Earth      4.440e+11
Mars       4.810e+11
Jupiter    4.400e+11
Saturn     4.187e+11
Uranus     4.765e+11
Neptune    4.836e+11
Pluto      4.313e+11