Obs. : 2020-03-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.445e+08
Venus      6.064e+08
Earth      6.196e+08
Mars       6.295e+08
Jupiter    6.295e+08
Saturn     6.295e+08
Uranus     6.351e+08
Neptune    6.445e+08
Pluto      6.295e+08