Obs. : 2025-01-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.298e+08
Venus      1.004e+09
Earth      9.371e+08
Mars       9.371e+08
Jupiter    9.596e+08
Saturn     1.004e+09
Uranus     9.643e+08
Neptune    9.970e+08
Pluto      1.008e+09