Obs. : 2016-10-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.943e+11
Venus      3.811e+11
Earth      4.073e+11
Mars       3.934e+11
Jupiter    3.943e+11
Saturn     3.797e+11
Uranus     4.104e+11
Neptune    4.112e+11
Pluto      4.013e+11