Obs. : 2010-03-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.612e+11
Venus      3.668e+11
Earth      3.854e+11
Mars       3.822e+11
Jupiter    3.612e+11
Saturn     3.814e+11
Uranus     3.668e+11
Neptune    3.554e+11
Pluto      3.535e+11