Obs. : 2026-01-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.152e+08
Venus      8.005e+08
Earth      8.558e+08
Mars       8.152e+08
Jupiter    8.460e+08
Saturn     7.743e+08
Uranus     7.891e+08
Neptune    7.743e+08
Pluto      8.005e+08