Obs. : 2016-01-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.409e+11
Venus      4.307e+11
Earth      4.227e+11
Mars       4.204e+11
Jupiter    4.224e+11
Saturn     4.253e+11
Uranus     4.216e+11
Neptune    4.311e+11
Pluto      4.409e+11