Obs. : 2024-05-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.947e+08
Venus      1.008e+09
Earth      8.633e+08
Mars       9.561e+08
Jupiter    1.006e+09
Saturn     8.957e+08
Uranus     1.006e+09
Neptune    8.957e+08
Pluto      8.172e+08