Obs. : 2020-06-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.358e+08
Venus      6.343e+08
Earth      6.379e+08
Mars       6.126e+08
Jupiter    6.208e+08
Saturn     6.176e+08
Uranus     6.301e+08
Neptune    6.126e+08
Pluto      6.208e+08