Obs. : 2026-06-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.044e+08
Venus      8.166e+08
Earth      7.774e+08
Mars       7.465e+08
Jupiter    8.166e+08
Saturn     7.323e+08
Uranus     7.757e+08
Neptune    7.323e+08
Pluto      7.591e+08