A new theory on how ‘otherworldly materials’ helped in Earth’s formation

A new study revealed that otherworldly materials helped in forming the earth during the formation of our solar system. Here’s the full story.

Outwardly materials helped in forming the Earth

A carbonaceous meteorite was vital in forming the Earth. So far we assumed that it came from the outer main-belt asteroids. According to scientists from the Tokyo Institute of Technology, these asteroidal materials may have come from far out in the early solar system. Following that, they were transported to the inner solar system due to chaotic mixing. The study made several observations using Japan’s AKARI space telescope and theoretical modeling.

The study published in the AUG advances journal states that the surface minerals from the main-belt asteroids’, especially those with ammonia form from initial materials that contain ammonia and carbon dioxide ice. And, they are only stable in water-rich and low-temperature conditions. It also examined if the chemical and physical conditions in these asteroids can form the basic minerals.

Digging deep into Earth’s past

As per this new study, the outer main belt of asteroids are originating from distant orbits. They differentiate, forming various minerals in a rock-dominated water-rich mantel. The study is claiming that the otherworldly materials are the reason behind the earth’s unique properties. “Whether our solar system’s formation is a typical outcome remains to be determined, but numerous measurements suggest we may be able to place our cosmic history in context soon,” stated Hiroyuki Kurokawa. Dr. Kurokawa is the lead author of the study and is from the Institute’s Earth-Life Science Institute (ELSI).

This study is also giving predictions on analyzing samples returned in the Hayabusa 2. It is an asteroidal sample that came back with a recent mission by the Japanese State Space Agency (JAXA). This is also going to make the analysis of returned materials from the OSIRS-Rex mission possible.

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