Obs. : 2010-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.802e+11
Venus      3.802e+11
Earth      3.674e+11
Mars       3.736e+11
Jupiter    3.683e+11
Saturn     3.616e+11
Uranus     3.683e+11
Neptune    3.599e+11
Pluto      3.526e+11