Obs. : 2009-06-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.544e+11
Venus      3.474e+11
Earth      3.534e+11
Mars       3.541e+11
Jupiter    3.475e+11
Saturn     3.629e+11
Uranus     3.441e+11
Neptune    3.475e+11
Pluto      3.557e+11