Obs. : 2020-11-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.868e+08
Venus      6.877e+08
Earth      6.809e+08
Mars       6.800e+08
Jupiter    6.887e+08
Saturn     6.887e+08
Uranus     6.845e+08
Neptune    6.788e+08
Pluto      6.887e+08