Difference between revisions
origin-of-water
Status and infobox
- status:
—→ open - kind:
—→ problem - year:
—→ 1955 - statement:
—→ Did Earth's oceans come from comets, asteroids, or the material that formed the planet?
Source +15 −0
+---
+title: Where Earth's water came from
+kind: problem
+status: open
+year: 1955
+statement: Did Earth's oceans come from comets, asteroids, or the material that formed the planet?
+space: early-earth
+---
+Hydrogen isotope ratios point toward water-rich asteroids more than comets, but no source matches perfectly. Some recent work argues much of the water was present in the planet's original building blocks.
+
+## Sources
+
+- [Wikipedia: Origin of water on Earth](https://en.wikipedia.org/wiki/Origin_of_water_on_Earth)
+
+[[Space:early-earth|Early Earth]] · [[Continent:earth|Earth]]
Revision 126 as rendered
Hydrogen isotope ratios point toward water-rich asteroids more than comets, but no source matches perfectly. Some recent work argues much of the water was present in the planet's original building blocks.