Today, Mars is colloquially known as the 'Red Planet' on account of how its dry, dusty landscape is rich in iron oxide (aka.
These impacts are believed to be how water and the building blocks for life were distributed throughout the Solar System. However, the role of this period in the evolution of rocky planets in the inner Solar System – particularly where the distribution of volatile elements like water is concerned – is still debated.
For the sake of their study, the international team reported on the variability of a single chromium isotope in Martian meteorites dated to this early period. These meteorites were part of Mars' crust at the time and were ejected due toIn other words, the composition of these meteorites represents Mars' original crust before asteroids deposited water and various elements on the surface.
Since Mars does not have active plate tectonics like Earth, the surface is not subject to constant convection and recycling. Therefore, meteorites ejected from Mars billions of years ago offer a unique insight into what Mars was like shortly after the planets of the solar system formed."Plate tectonics on Earth erased all evidence of what happened in the first 500 million years of our planet's history.
According to their results, there would have been enough water to cover the entire planet in an ocean at least 300 meters in depth and up to 1 kilometer deep in some areas. In comparison, there was very little water on Earth at this time because a Mars-sized object had collided with Earth, leading to the formation of
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