Obs. : 2015-05-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.827e+11
Venus      4.710e+11
Earth      4.874e+11
Mars       4.910e+11
Jupiter    4.572e+11
Saturn     4.874e+11
Uranus     4.954e+11
Neptune    5.004e+11
Pluto      4.922e+11