View Full Version : Best Evidence Yet That Comets Delivered Water for Earthís Oceans

2011-Oct-05, 08:40 PM
The idea isnít new that Earthís oceans originated from comets bombarding our planet back in its early days. But astronomers have now found the best evidence yet for this scenario. The Herschel infrared space observatory detected that comet Hartley 2, which originates from the distant Kuiper Belt, contains water with the same chemical signature as [...]

More... (http://www.universetoday.com/89519/best-evidence-yet-that-comets-delivered-water-for-earths-oceans/)