Obs. : 2024-01-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.777e+08
Venus      8.734e+08
Earth      8.333e+08
Mars       8.777e+08
Jupiter    9.014e+08
Saturn     9.375e+08
Uranus     8.861e+08
Neptune    9.271e+08
Pluto      8.892e+08