Obs. : 2026-03-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.685e+08
Venus      8.083e+08
Earth      7.274e+08
Mars       7.685e+08
Jupiter    7.382e+08
Saturn     8.187e+08
Uranus     7.840e+08
Neptune    8.187e+08
Pluto      7.373e+08