Scientist discovered prehistoric interstellar dust which formed Earth and Solar System

In a new study, a scientist has discovered that some of the original interstellar dust which has helped in forming the Earth and the solar system which is billions of years ago. It may not be far away, but still, it is long.

According to the lead author of the study, Hope Ishli who is from the University of Hawaii at Manoa has said that the discovery is the surviving of pre-solar interstellar dust that has formed in very building blocks of planets and stars. As per the researchers, they have collected the surviving ancient dust from the Earth’s upper atmosphere when it is likely to deposit from comets. When comets pass near the sun, they release the dust which can reach Earth’s orbit and can settle through the atmosphere, and it can be collected and later they studied with electron microscopes.

The co-author of the study James Clinton of the Lawrence Berkeley National Laboratory in California has said that these interplanetary dust particles can survive from the time which is before the formation of the planetary bodies in the solar system and it provides the insight into the chemistry of those ancient building blocks.  This dust is said to be actually like tiny glassy grains which are known as GEMS or glass embedded with metal and sulfides which is typically less than 1/100th the thickness of the human hair.

As per the astrophysicist Ethan Siegel, he refers to the current understanding of how planets formed. He said that our naïve picture of the disk that usually gets very hot, fragments and it cools them to form the planets, and it may be hopelessly oversimplified. We have learned it may be cold and outer material can hold the key to the planetary backyard. Siegel was not the part of the research, but he has written about the study in Forbes.

As per lead author Ishli, she said that if we have to do at our fingertips then the starting materials of the planet formation are from about 4.6 billion years ago and it is thrilling, and it makes it possible to go deeper to understand the processes which have formed.



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