Obs. : 2014-04-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.309e+11
Venus      4.054e+11
Earth      4.031e+11
Mars       4.010e+11
Jupiter    4.499e+11
Saturn     4.029e+11
Uranus     4.107e+11
Neptune    4.001e+11
Pluto      4.052e+11