Obs. : 2010-05-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.764e+11
Venus      3.812e+11
Earth      3.640e+11
Mars       3.827e+11
Jupiter    3.725e+11
Saturn     3.716e+11
Uranus     3.725e+11
Neptune    3.642e+11
Pluto      3.633e+11