Obs. : 2026-03-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.134e+08
Venus      7.983e+08
Earth      7.499e+08
Mars       8.134e+08
Jupiter    7.478e+08
Saturn     8.178e+08
Uranus     7.552e+08
Neptune    8.178e+08
Pluto      7.737e+08