Obs. : 2026-06-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.701e+08
Venus      7.672e+08
Earth      7.804e+08
Mars       7.896e+08
Jupiter    7.672e+08
Saturn     8.165e+08
Uranus     7.835e+08
Neptune    8.272e+08
Pluto      7.905e+08