Obs. : 2010-01-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.583e+11
Venus      3.583e+11
Earth      3.552e+11
Mars       3.530e+11
Jupiter    3.782e+11
Saturn     3.452e+11
Uranus     3.773e+11
Neptune    3.782e+11
Pluto      3.583e+11