Obs. : 2026-02-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.886e+08
Venus      7.815e+08
Earth      7.618e+08
Mars       7.893e+08
Jupiter    7.507e+08
Saturn     7.892e+08
Uranus     7.672e+08
Neptune    7.892e+08
Pluto      7.915e+08