Obs. : 2026-05-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.975e+08
Venus      7.547e+08
Earth      7.506e+08
Mars       8.070e+08
Jupiter    7.462e+08
Saturn     8.308e+08
Uranus     7.547e+08
Neptune    8.308e+08
Pluto      8.161e+08