Earth has vast oceans today, but our planet was a dry rock when it first formed — and water was a late addition, rained down in asteroids from the icy outer solar system. Key points: Water is abundant in space but it was thought that Earth was dry when it formed A new study shows that meteorite rocks of the …
Water, Water, Every Where — And Now Scientists Know Where It Came From Enlarge this image toggle caption Stocktrek Images/Getty Images Stocktrek Images/Getty Images Water on Earth is omnipresent and essential for life as we know it, and yet scientists remain a bit baffled about where all of this water came from: Was it present when the planet formed, or …
They found that the meteorites contained enough hydrogen in them to provide Earth with at least three times the water mass of its oceans. The team found that the rocks contained enough hydrogen in them to provide Earth with at least three times the water mass of its oceans — and possibly much more. The isotopic composition of the oceans …
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