Obs. : 2026-07-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.624e+08
Venus      9.037e+08
Earth      7.759e+08
Mars       8.022e+08
Jupiter    8.753e+08
Saturn     7.698e+08
Uranus     8.022e+08
Neptune    7.674e+08
Pluto      7.759e+08