Obs. : 2016-01-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.983e+11
Venus      3.797e+11
Earth      3.848e+11
Mars       3.695e+11
Jupiter    3.652e+11
Saturn     3.797e+11
Uranus     3.925e+11
Neptune    3.947e+11
Pluto      3.983e+11