Obs. : 2010-05-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.802e+11
Venus      3.800e+11
Earth      3.744e+11
Mars       3.723e+11
Jupiter    3.805e+11
Saturn     3.648e+11
Uranus     3.805e+11
Neptune    3.774e+11
Pluto      3.748e+11