Obs. : 2024-09-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.844e+08
Venus      9.496e+08
Earth      9.319e+08
Mars       8.796e+08
Jupiter    8.922e+08
Saturn     9.416e+08
Uranus     9.090e+08
Neptune    9.319e+08
Pluto      9.571e+08