Obs. : 2024-06-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.006e+09
Venus      1.006e+09
Earth      9.893e+08
Mars       9.396e+08
Jupiter    1.006e+09
Saturn     9.213e+08
Uranus     9.903e+08
Neptune    9.290e+08
Pluto      9.479e+08