Obs. : 2026-01-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.201e+08
Venus      8.201e+08
Earth      9.096e+08
Mars       8.422e+08
Jupiter    9.141e+08
Saturn     8.230e+08
Uranus     8.703e+08
Neptune    8.230e+08
Pluto      8.201e+08