Obs. : 2024-07-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.025e+09
Venus      1.032e+09
Earth      9.986e+08
Mars       9.906e+08
Jupiter    1.015e+09
Saturn     9.843e+08
Uranus     9.906e+08
Neptune    9.834e+08
Pluto      9.998e+08