Obs. : 2019-03-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.692e+11
Venus      3.726e+11
Earth      3.658e+11
Mars       3.565e+11
Jupiter    3.703e+11
Saturn     3.707e+11
Uranus     3.591e+11
Neptune    3.733e+11
Pluto      3.714e+11