Obs. : 2023-06-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.825e+08
Venus      8.767e+08
Earth      9.101e+08
Mars       8.767e+08
Jupiter    8.947e+08
Saturn     9.262e+08
Uranus     8.866e+08
Neptune    9.204e+08
Pluto      9.273e+08