Obs. : 2010-07-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.821e+11
Venus      3.841e+11
Earth      3.797e+11
Mars       3.914e+11
Jupiter    3.730e+11
Saturn     3.905e+11
Uranus     3.730e+11
Neptune    3.757e+11
Pluto      3.834e+11