Obs. : 2020-03-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.407e+08
Venus      6.071e+08
Earth      6.210e+08
Mars       6.281e+08
Jupiter    6.281e+08
Saturn     6.281e+08
Uranus     6.374e+08
Neptune    6.407e+08
Pluto      6.281e+08