Obs. : 2019-03-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.676e+11
Venus      3.661e+11
Earth      3.556e+11
Mars       3.468e+11
Jupiter    3.603e+11
Saturn     3.641e+11
Uranus     3.522e+11
Neptune    3.699e+11
Pluto      3.641e+11