Icy Planetesimals

Space

Icy Planetesimals: The Icy Secret to Earth’s Water

Scientists have found that planetesimals, which are tiny, water-rich objects that formed in chilly outer parts of the early solar system distant from Sun, were essential in supplying Earth with water. Life on our planet depends on this water. Scientists have used age data from certain types of meteorites to learn more about origins of small, water-rich objects in early…