Obs. : 2024-01-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.042e+08
Venus      8.940e+08
Earth      8.393e+08
Mars       9.042e+08
Jupiter    8.675e+08
Saturn     9.429e+08
Uranus     8.494e+08
Neptune    9.103e+08
Pluto      9.283e+08