Obs. : 2024-05-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.926e+08
Venus      9.142e+08
Earth      9.313e+08
Mars       8.871e+08
Jupiter    9.391e+08
Saturn     8.976e+08
Uranus     9.391e+08
Neptune    8.895e+08
Pluto      9.092e+08