Obs. : 2026-08-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.382e+08
Venus      7.026e+08
Earth      7.070e+08
Mars       7.697e+08
Jupiter    7.382e+08
Saturn     7.524e+08
Uranus     7.726e+08
Neptune    7.554e+08
Pluto      6.722e+08