Obs. : 2016-06-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.923e+11
Venus      3.918e+11
Earth      3.881e+11
Mars       3.929e+11
Jupiter    3.979e+11
Saturn     3.881e+11
Uranus     3.963e+11
Neptune    3.798e+11
Pluto      3.816e+11