Obs. : 2026-03-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.094e+08
Venus      7.637e+08
Earth      7.436e+08
Mars       8.094e+08
Jupiter    7.570e+08
Saturn     7.768e+08
Uranus     7.544e+08
Neptune    7.768e+08
Pluto      8.359e+08