Obs. : 2010-09-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.796e+11
Venus      3.822e+11
Earth      3.886e+11
Mars       3.822e+11
Jupiter    3.883e+11
Saturn     3.766e+11
Uranus     3.883e+11
Neptune    3.880e+11
Pluto      3.926e+11