Obs. : 2014-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.931e+11
Venus      3.831e+11
Earth      3.903e+11
Mars       3.864e+11
Jupiter    3.930e+11
Saturn     3.888e+11
Uranus     4.025e+11
Neptune    3.885e+11
Pluto      3.878e+11