Obs. : 2025-01-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.837e+08
Venus      9.228e+08
Earth      9.691e+08
Mars       1.019e+09
Jupiter    1.048e+09
Saturn     9.179e+08
Uranus     1.025e+09
Neptune    9.228e+08
Pluto      9.837e+08