Obs. : 2023-05-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.987e+08
Venus      8.994e+08
Earth      8.884e+08
Mars       8.994e+08
Jupiter    8.944e+08
Saturn     8.629e+08
Uranus     8.987e+08
Neptune    8.723e+08
Pluto      8.601e+08