Obs. : 2010-12-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.794e+11
Venus      3.629e+11
Earth      3.765e+11
Mars       3.760e+11
Jupiter    3.753e+11
Saturn     3.632e+11
Uranus     3.753e+11
Neptune    3.790e+11
Pluto      3.760e+11