Obs. : 2023-10-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.779e+08
Venus      9.219e+08
Earth      9.132e+08
Mars       8.838e+08
Jupiter    9.299e+08
Saturn     9.065e+08
Uranus     9.389e+08
Neptune    9.100e+08
Pluto      9.082e+08