Obs. : 2026-04-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.787e+08
Venus      7.248e+08
Earth      7.351e+08
Mars       7.787e+08
Jupiter    7.204e+08
Saturn     7.589e+08
Uranus     7.225e+08
Neptune    7.787e+08
Pluto      8.142e+08