Obs. : 2026-04-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.332e+08
Venus      7.203e+08
Earth      7.885e+08
Mars       7.332e+08
Jupiter    7.288e+08
Saturn     7.255e+08
Uranus     7.216e+08
Neptune    7.255e+08
Pluto      7.688e+08