Obs. : 2025-01-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.915e+08
Venus      9.946e+08
Earth      9.168e+08
Mars       9.292e+08
Jupiter    9.712e+08
Saturn     9.946e+08
Uranus     9.702e+08
Neptune    9.825e+08
Pluto      1.031e+09