Obs. : 2020-04-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.398e+08
Venus      6.171e+08
Earth      6.268e+08
Mars       6.299e+08
Jupiter    6.290e+08
Saturn     6.290e+08
Uranus     6.384e+08
Neptune    6.341e+08
Pluto      6.290e+08