Obs. : 2016-08-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.037e+11
Venus      4.037e+11
Earth      3.948e+11
Mars       3.986e+11
Jupiter    4.037e+11
Saturn     3.986e+11
Uranus     3.922e+11
Neptune    3.948e+11
Pluto      3.977e+11