Obs. : 2010-10-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.695e+11
Venus      3.850e+11
Earth      3.726e+11
Mars       3.850e+11
Jupiter    3.726e+11
Saturn     3.695e+11
Uranus     3.726e+11
Neptune    3.818e+11
Pluto      3.928e+11