Obs. : 2019-03-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.649e+11
Venus      3.624e+11
Earth      3.564e+11
Mars       3.521e+11
Jupiter    3.567e+11
Saturn     3.571e+11
Uranus     3.627e+11
Neptune    3.649e+11
Pluto      3.571e+11