Obs. : 2025-03-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.947e+08
Venus      8.947e+08
Earth      8.795e+08
Mars       9.271e+08
Jupiter    9.250e+08
Saturn     8.954e+08
Uranus     9.171e+08
Neptune    8.954e+08
Pluto      9.048e+08