Obs. : 2016-02-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.202e+10
Venus      6.202e+10
Earth      6.134e+10
Mars       6.247e+10
Jupiter    6.214e+10
Saturn     6.231e+10
Uranus     5.995e+10
Neptune    6.081e+10
Pluto      6.233e+10