[meteorite-list] Science Journal: Earth's water didn't come from comets, scientists now say

[Kelly Beatty]

hi, Larry...

> I have not read the original article, but I assume that when they present
> measurements from asteroids, this is really measurements from meteorites
> which came from asteroids.

yes. the figure in question cites about a half dozen sources; the asteroid data
appear to come from http://www.sciencemag.org/content/337/6095/721.abstract. 

one of the citations is this really excellent overview of the whole
asteroid-comet water debate: http://arxiv.org/pdf/1403.7143v1


clear skies,
Kelly

****************
J. Kelly Beatty
Senior Contributing Editor
SKY & TELESCOPE
617-416-9991
SkyandTelescope.com