Obs. : 2013-03-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.470e+11
Venus      4.752e+11
Earth      4.022e+11
Mars       4.878e+11
Jupiter    4.516e+11
Saturn     3.969e+11
Uranus     4.878e+11
Neptune    4.369e+11
Pluto      3.958e+11