Obs. : 2016-12-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.586e+11
Venus      3.645e+11
Earth      3.713e+11
Mars       3.658e+11
Jupiter    3.464e+11
Saturn     3.578e+11
Uranus     3.673e+11
Neptune    3.653e+11
Pluto      3.645e+11