Obs. : 2026-05-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.952e+08
Venus      7.692e+08
Earth      7.182e+08
Mars       7.922e+08
Jupiter    7.545e+08
Saturn     7.903e+08
Uranus     7.835e+08
Neptune    7.720e+08
Pluto      7.186e+08