Obs. : 2026-05-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.446e+08
Venus      7.501e+08
Earth      7.968e+08
Mars       6.893e+08
Jupiter    7.501e+08
Saturn     7.024e+08
Uranus     7.235e+08
Neptune    7.063e+08
Pluto      7.523e+08