Obs. : 2022-06-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.589e+08
Venus      7.626e+08
Earth      8.532e+08
Mars       7.604e+08
Jupiter    7.647e+08
Saturn     7.883e+08
Uranus     7.626e+08
Neptune    7.647e+08
Pluto      8.213e+08