Obs. : 2015-01-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.995e+11
Venus      3.995e+11
Earth      4.315e+11
Mars       4.011e+11
Jupiter    4.566e+11
Saturn     4.286e+11
Uranus     4.108e+11
Neptune    4.011e+11
Pluto      4.104e+11