Obs. : 2014-08-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.254e+11
Venus      3.278e+11
Earth      4.368e+11
Mars       4.028e+11
Jupiter    3.254e+11
Saturn     4.116e+11
Uranus     3.914e+11
Neptune    4.267e+11
Pluto      4.368e+11