Obs. : 2012-02-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.115e+11
Venus      4.047e+11
Earth      4.100e+11
Mars       4.005e+11
Jupiter    4.027e+11
Saturn     3.853e+11
Uranus     4.047e+11
Neptune    4.115e+11
Pluto      3.958e+11