Obs. : 2012-06-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.403e+11
Venus      4.418e+11
Earth      4.534e+11
Mars       4.703e+11
Jupiter    4.451e+11
Saturn     4.712e+11
Uranus     4.565e+11
Neptune    4.479e+11
Pluto      4.534e+11