Obs. : 2015-01-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.062e+11
Venus      4.062e+11
Earth      4.386e+11
Mars       4.094e+11
Jupiter    4.586e+11
Saturn     4.190e+11
Uranus     4.230e+11
Neptune    4.094e+11
Pluto      4.011e+11