Obs. : 2025-01-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.693e+08
Venus      8.903e+08
Earth      8.263e+08
Mars       8.266e+08
Jupiter    8.740e+08
Saturn     8.903e+08
Uranus     8.846e+08
Neptune    8.877e+08
Pluto      9.329e+08