Obs. : 2014-05-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.103e+11
Venus      3.974e+11
Earth      4.214e+11
Mars       4.419e+11
Jupiter    4.211e+11
Saturn     4.397e+11
Uranus     3.974e+11
Neptune    3.945e+11
Pluto      4.132e+11