Obs. : 2016-02-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.279e+11
Venus      4.279e+11
Earth      4.078e+11
Mars       4.187e+11
Jupiter    4.089e+11
Saturn     4.221e+11
Uranus     4.090e+11
Neptune    4.231e+11
Pluto      4.284e+11