Obs. : 2025-05-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.409e+08
Venus      8.327e+08
Earth      8.197e+08
Mars       7.994e+08
Jupiter    8.253e+08
Saturn     8.292e+08
Uranus     8.429e+08
Neptune    8.292e+08
Pluto      8.022e+08