Obs. : 2026-08-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.093e+08
Venus      8.112e+08
Earth      7.006e+08
Mars       6.474e+08
Jupiter    7.315e+08
Saturn     6.913e+08
Uranus     6.409e+08
Neptune    6.904e+08
Pluto      7.082e+08