Obs. : 2026-01-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.167e+08
Venus      8.167e+08
Earth      7.942e+08
Mars       8.042e+08
Jupiter    8.164e+08
Saturn     8.503e+08
Uranus     8.529e+08
Neptune    8.503e+08
Pluto      8.042e+08