Obs. : 2026-03-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.521e+08
Venus      7.934e+08
Earth      7.420e+08
Mars       7.521e+08
Jupiter    7.702e+08
Saturn     7.927e+08
Uranus     7.842e+08
Neptune    7.666e+08
Pluto      7.410e+08