Obs. : 2024-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.727e+08
Venus      8.697e+08
Earth      8.222e+08
Mars       8.723e+08
Jupiter    8.726e+08
Saturn     8.697e+08
Uranus     8.726e+08
Neptune    8.656e+08
Pluto      8.721e+08