Obs. : 2026-02-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.951e+08
Venus      7.984e+08
Earth      7.784e+08
Mars       8.021e+08
Jupiter    7.577e+08
Saturn     7.828e+08
Uranus     7.535e+08
Neptune    7.828e+08
Pluto      8.013e+08