Obs. : 2025-01-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.412e+08
Venus      9.186e+08
Earth      9.373e+08
Mars       9.158e+08
Jupiter    8.678e+08
Saturn     9.186e+08
Uranus     8.635e+08
Neptune    9.072e+08
Pluto      9.256e+08