Obs. : 2025-01-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.807e+08
Venus      9.392e+08
Earth      9.914e+08
Mars       9.714e+08
Jupiter    9.100e+08
Saturn     9.392e+08
Uranus     8.821e+08
Neptune    9.392e+08
Pluto      9.718e+08