Obs. : 2013-07-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.238e+11
Venus      4.054e+11
Earth      3.920e+11
Mars       4.238e+11
Jupiter    4.238e+11
Saturn     4.092e+11
Uranus     4.136e+11
Neptune    3.956e+11
Pluto      3.920e+11