Diamonds, Meteorite, Solar System

Fragments of diamond encased in rock descended from the space in the year 2008 and landed in the Nubian Desert of Sudan. In a new study, these meteorite crystals provide the initial physical evidence of an anciently lost building block from the dawn of the solar system.

A research team, in the study, discovered that the Almahata Sitta meteorite belonged once to a protoplanet, one of the tens of new worlds, which experienced impacts and buildups to give rise to the rocky planets in our solar system. By the study, the pieces of diamond inside the meteorite hold a compelling record of these protoplanets and their collisions. Until now, the presence of these ancient worlds only was predicted by the simulation models.

By a statement regarding the recent study, the diamond meteorite seems to have originated on a protoplanet nearly in between the size of the moon and the Mars that collided with the other objects during the initial 10 million years of the solar system and no longer exists as a whole. These crashes were vast and energetic. In the case of the diamond-laden parent body of the meteorite, the accidents caused catastrophic disruptions that the crystals captured.

These diamonds trap the nearby minerals during the formation process and, with their stability and strength, preserve the material that scientists call inclusions. On the Earth, diamonds are used to recognize the composition and structure of the thick layers of the planet.

The meteorite diamonds unveil information regarding their parent protoplanet. Study of the Almahata Sitta meteorite reveals that it is an achondrite. An achondrite is a rare type of space rock that comes from the celestial bodies that are big enough to generate internal heat early in their history to create metallic cores surrounded by stone. As said by the research team, the Almahata Sitta rock comes from a big asteroid or an old planet.

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