Obs. : 2013-10-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.691e+11
Venus      3.788e+11
Earth      3.824e+11
Mars       3.897e+11
Jupiter    3.936e+11
Saturn     3.691e+11
Uranus     3.833e+11
Neptune    3.902e+11
Pluto      3.839e+11