Obs. : 2018-06-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    2.960e+11
Venus      2.961e+11
Earth      2.983e+11
Mars       2.890e+11
Jupiter    3.003e+11
Saturn     2.913e+11
Uranus     2.937e+11
Neptune    2.890e+11
Pluto      2.901e+11