Obs. : 2023-10-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.828e+08
Venus      9.056e+08
Earth      9.492e+08
Mars       8.907e+08
Jupiter    9.517e+08
Saturn     9.327e+08
Uranus     9.599e+08
Neptune    9.392e+08
Pluto      9.179e+08