Obs. : 2026-06-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.645e+08
Venus      8.727e+08
Earth      7.894e+08
Mars       8.212e+08
Jupiter    8.727e+08
Saturn     7.999e+08
Uranus     8.308e+08
Neptune    7.999e+08
Pluto      7.841e+08