Obs. : 2010-06-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.883e+11
Venus      3.847e+11
Earth      3.853e+11
Mars       3.944e+11
Jupiter    3.765e+11
Saturn     3.966e+11
Uranus     3.765e+11
Neptune    3.792e+11
Pluto      3.936e+11