Obs. : 2025-01-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.169e+08
Venus      1.014e+09
Earth      9.429e+08
Mars       9.429e+08
Jupiter    9.640e+08
Saturn     1.012e+09
Uranus     9.759e+08
Neptune    1.012e+09
Pluto      9.990e+08