Obs. : 2025-03-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.437e+08
Venus      9.437e+08
Earth      9.777e+08
Mars       9.267e+08
Jupiter    9.220e+08
Saturn     9.201e+08
Uranus     9.321e+08
Neptune    9.437e+08
Pluto      9.066e+08