Obs. : 2014-04-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.569e+11
Venus      4.254e+11
Earth      4.067e+11
Mars       4.018e+11
Jupiter    4.381e+11
Saturn     4.074e+11
Uranus     4.333e+11
Neptune    4.076e+11
Pluto      4.040e+11