Obs. : 2010-10-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.602e+11
Venus      3.683e+11
Earth      3.851e+11
Mars       3.683e+11
Jupiter    3.818e+11
Saturn     3.522e+11
Uranus     3.831e+11
Neptune    3.829e+11
Pluto      3.841e+11