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I don't understand. If "theia" hit earth and formed moon, why would the istopic signatures be any different. Now both earth and moon come from same pair of diff
by abc_lisper 15y ago
I don't understand. If "theia" hit earth and formed moon, why would the istopic signatures be any different. Now both earth and moon come from same pair of different objects.
- hartror 15y agoWe would expect different proportions of the isotopes on the Earth and the Moon. This is because the Moon according to the models would have a greater proportion of its mass made up of the theorised collider "Theia" than Earth. In this particular experiment they showed the isotopic proportions matched between here and the Moon.