Obs. : 2020-01-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.234e+08
Venus      6.369e+08
Earth      6.290e+08
Mars       6.102e+08
Jupiter    6.234e+08
Saturn     6.349e+08
Uranus     6.246e+08
Neptune    6.348e+08
Pluto      6.349e+08