Obs. : 2024-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.514e+08
Venus      8.423e+08
Earth      8.693e+08
Mars       8.423e+08
Jupiter    8.498e+08
Saturn     8.476e+08
Uranus     8.463e+08
Neptune    8.514e+08
Pluto      8.304e+08