Obs. : 2026-02-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.013e+08
Venus      8.013e+08
Earth      7.771e+08
Mars       8.104e+08
Jupiter    7.923e+08
Saturn     8.012e+08
Uranus     7.962e+08
Neptune    8.012e+08
Pluto      8.169e+08