Obs. : 2025-03-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.212e+08
Venus      9.212e+08
Earth      8.562e+08
Mars       9.227e+08
Jupiter    9.267e+08
Saturn     9.183e+08
Uranus     9.443e+08
Neptune    9.183e+08
Pluto      9.081e+08