Obs. : 2026-03-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.567e+08
Venus      8.041e+08
Earth      7.123e+08
Mars       7.567e+08
Jupiter    7.436e+08
Saturn     8.078e+08
Uranus     7.796e+08
Neptune    8.078e+08
Pluto      7.274e+08