Obs. : 2017-03-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.728e+11
Venus      3.682e+11
Earth      3.635e+11
Mars       3.591e+11
Jupiter    3.635e+11
Saturn     3.708e+11
Uranus     3.682e+11
Neptune    3.806e+11
Pluto      3.721e+11