Obs. : 2025-06-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.922e+08
Venus      7.921e+08
Earth      7.956e+08
Mars       7.975e+08
Jupiter    7.926e+08
Saturn     8.059e+08
Uranus     7.921e+08
Neptune    8.059e+08
Pluto      7.956e+08