PSJC #97 October 12 2011

Akbar Whizin

Ocean-like water in the Jupiter-family comet 103P/Hartley 2

We will discuss a recent paper published in Nature by Hartogh et al. that reports a measurement of the D/H ratio in comet 103P/Hartley 2, a measurement that is consistent with the D/H ratio in Earth's water, unlike previous such comet measurements.