Obs. : 2013-06-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.180e+11
Venus      4.180e+11
Earth      4.339e+11
Mars       4.244e+11
Jupiter    4.186e+11
Saturn     4.286e+11
Uranus     4.399e+11
Neptune    4.372e+11
Pluto      4.339e+11