Obs. : 2026-01-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.086e+08
Venus      8.186e+08
Earth      7.194e+08
Mars       8.186e+08
Jupiter    7.232e+08
Saturn     8.247e+08
Uranus     7.852e+08
Neptune    8.247e+08
Pluto      8.186e+08