Obs. : 2026-02-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.921e+08
Venus      7.876e+08
Earth      7.669e+08
Mars       7.977e+08
Jupiter    7.430e+08
Saturn     7.901e+08
Uranus     7.583e+08
Neptune    7.901e+08
Pluto      7.944e+08