Obs. : 2015-03-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.702e+11
Venus      4.559e+11
Earth      4.965e+11
Mars       4.602e+11
Jupiter    4.479e+11
Saturn     4.979e+11
Uranus     4.628e+11
Neptune    4.702e+11
Pluto      4.731e+11