Obs. : 2016-07-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.965e+11
Venus      3.965e+11
Earth      4.443e+11
Mars       4.343e+11
Jupiter    3.950e+11
Saturn     4.404e+11
Uranus     4.151e+11
Neptune    4.312e+11
Pluto      4.437e+11