Obs. : 2014-05-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.033e+11
Venus      4.047e+11
Earth      4.202e+11
Mars       3.963e+11
Jupiter    4.054e+11
Saturn     4.154e+11
Uranus     4.047e+11
Neptune    4.138e+11
Pluto      4.261e+11