Obs. : 2014-05-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.883e+11
Venus      3.836e+11
Earth      4.116e+11
Mars       3.888e+11
Jupiter    3.890e+11
Saturn     4.063e+11
Uranus     3.836e+11
Neptune    3.910e+11
Pluto      4.179e+11