Home » Visualizing » Gallery » chaitanyag

vector edit Edit in the diagram creator    delete Delete the image    vector edit Download vector (SVG) version    vector edit Download raster (PNG) version

Did Earth's water come from comets?
vector edit  vector edit  vector edit 

Did Earth's water come from comets?
It is known that about one atom of every 3200 water molecules in the ocean is a heavy water molecule with deuterium, which is a hydrogen atom with a extra neutron. This chemical ratio is similar in Hartley 2, suggesting Earth's water came from a comet.
Earth's water, comets, Hartley 2
Rossmoyne Senior High School