Obs. : 2024-10-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.171e+08
Venus      9.291e+08
Earth      1.048e+09
Mars       9.925e+08
Jupiter    1.040e+09
Saturn     1.011e+09
Uranus     1.048e+09
Neptune    1.031e+09
Pluto      9.560e+08