Obs. : 2018-08-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.676e+11
Venus      3.631e+11
Earth      3.722e+11
Mars       3.628e+11
Jupiter    3.638e+11
Saturn     3.555e+11
Uranus     3.720e+11
Neptune    3.672e+11
Pluto      3.565e+11