Obs. : 2013-10-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.187e+11
Venus      4.169e+11
Earth      4.315e+11
Mars       4.180e+11
Jupiter    4.224e+11
Saturn     4.218e+11
Uranus     4.255e+11
Neptune    4.176e+11
Pluto      4.125e+11