Obs. : 2011-05-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.252e+11
Venus      4.252e+11
Earth      4.304e+11
Mars       4.252e+11
Jupiter    4.252e+11
Saturn     4.264e+11
Uranus     4.359e+11
Neptune    4.313e+11
Pluto      4.249e+11