Obs. : 2013-03-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.429e+11
Venus      4.344e+11
Earth      3.959e+11
Mars       4.161e+11
Jupiter    3.980e+11
Saturn     4.102e+11
Uranus     4.161e+11
Neptune    4.429e+11
Pluto      4.515e+11