Obs. : 2018-09-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.309e+11
Venus      4.341e+11
Earth      4.416e+11
Mars       4.385e+11
Jupiter    4.367e+11
Saturn     4.349e+11
Uranus     4.456e+11
Neptune    4.421e+11
Pluto      4.356e+11