Obs. : 2024-12-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.629e+08
Venus      9.486e+08
Earth      1.006e+09
Mars       1.001e+09
Jupiter    1.005e+09
Saturn     9.401e+08
Uranus     9.963e+08
Neptune    9.396e+08
Pluto      9.656e+08