Obs. : 2026-03-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.160e+08
Venus      7.694e+08
Earth      7.363e+08
Mars       8.160e+08
Jupiter    7.408e+08
Saturn     7.902e+08
Uranus     7.371e+08
Neptune    7.902e+08
Pluto      8.008e+08