Obs. : 2026-05-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.078e+08
Venus      7.168e+08
Earth      8.189e+08
Mars       7.178e+08
Jupiter    7.255e+08
Saturn     7.062e+08
Uranus     7.002e+08
Neptune    7.096e+08
Pluto      7.953e+08