Obs. : 2023-07-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.044e+08
Venus      9.248e+08
Earth      8.981e+08
Mars       9.156e+08
Jupiter    8.922e+08
Saturn     9.138e+08
Uranus     8.774e+08
Neptune    9.181e+08
Pluto      9.182e+08