Obs. : 2013-11-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.545e+11
Venus      4.217e+11
Earth      4.189e+11
Mars       4.623e+11
Jupiter    4.339e+11
Saturn     4.545e+11
Uranus     4.318e+11
Neptune    4.325e+11
Pluto      4.217e+11