Obs. : 2012-10-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.076e+11
Venus      4.787e+11
Earth      4.123e+11
Mars       5.153e+11
Jupiter    4.546e+11
Saturn     5.029e+11
Uranus     4.258e+11
Neptune    4.616e+11
Pluto      5.021e+11