Obs. : 2020-03-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.477e+08
Venus      6.036e+08
Earth      6.185e+08
Mars       6.344e+08
Jupiter    6.344e+08
Saturn     6.344e+08
Uranus     6.318e+08
Neptune    6.477e+08
Pluto      6.344e+08