Obs. : 2014-05-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.427e+11
Venus      4.326e+11
Earth      4.088e+11
Mars       3.993e+11
Jupiter    4.081e+11
Saturn     4.078e+11
Uranus     4.356e+11
Neptune    4.240e+11
Pluto      4.123e+11