Obs. : 2026-10-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.595e+08
Venus      7.605e+08
Earth      6.997e+08
Mars       7.755e+08
Jupiter    7.826e+08
Saturn     6.997e+08
Uranus     7.356e+08
Neptune    6.997e+08
Pluto      7.126e+08