Obs. : 2026-01-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.109e+08
Venus      8.066e+08
Earth      7.147e+08
Mars       8.109e+08
Jupiter    6.889e+08
Saturn     7.435e+08
Uranus     6.898e+08
Neptune    7.435e+08
Pluto      8.066e+08