Obs. : 2013-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.129e+11
Venus      4.295e+11
Earth      3.843e+11
Mars       4.052e+11
Jupiter    3.857e+11
Saturn     4.129e+11
Uranus     4.018e+11
Neptune    4.218e+11
Pluto      4.295e+11