Obs. : 2024-06-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.013e+09
Venus      1.014e+09
Earth      1.040e+09
Mars       9.626e+08
Jupiter    9.997e+08
Saturn     9.727e+08
Uranus     9.997e+08
Neptune    9.490e+08
Pluto      1.040e+09