Obs. : 2020-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.263e+08
Venus      5.993e+08
Earth      6.128e+08
Mars       6.148e+08
Jupiter    6.155e+08
Saturn     6.155e+08
Uranus     5.993e+08
Neptune    6.260e+08
Pluto      6.155e+08