Obs. : 2023-07-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.167e+08
Venus      9.152e+08
Earth      9.214e+08
Mars       9.152e+08
Jupiter    9.140e+08
Saturn     9.126e+08
Uranus     9.104e+08
Neptune    9.080e+08
Pluto      9.350e+08