Obs. : 2012-11-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.155e+11
Venus      4.155e+11
Earth      3.858e+11
Mars       4.030e+11
Jupiter    4.016e+11
Saturn     4.161e+11
Uranus     3.648e+11
Neptune    3.855e+11
Pluto      4.030e+11