Obs. : 2024-05-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.062e+09
Venus      1.054e+09
Earth      9.126e+08
Mars       1.035e+09
Jupiter    1.054e+09
Saturn     9.497e+08
Uranus     1.054e+09
Neptune    9.898e+08
Pluto      8.881e+08