Who came first the chicken or the egg? It’s the big question scientists have been asking themselves for decades, without specifically talking about a poultry animal. The question includes a whole in which experts want to know certainty about how to develop it. Life as we know it on Earth.
This, as we well know, is a phenomenon that has so far been recorded only on our planet. Therefore, a recent research study conducted by NASA and experts from other scientific institutions, adding another element to the debate, with data – or perhaps methods – in which they allow themselves to question the way life was formed.
It is, like the chicken question, a question full of more doubts and controversies than answers: Did life form on Earth or did it come from space? they ask. Recent findings in meteorites analyzed by experts are again raising controversy.
Earth is a permanent receiver of rocks that come from The most remote places in our solar system. We are in interstellar transits of the thousands of objects that enter the planet’s atmosphere every day.
Some of them simply disintegrate completely in the sky of the Earth. Others are a little bigger They end up breaking them into several pieces and some, the largest and most bizarre, get in and settle as ancient remains on our surface.
It was on the latter, who arrived on Earth in the last century, that scholars NASA To publish the study questioning the formation of life.
elements in meteorites
According to the publication Daily Brandwith official information from NASAThe meteorites that fell on the planet in the past 100 years make up the five bases from which you store information DNA and RNA.
They call them in detail “nitrogenous bases” and thus refer to chemical elements such as Adenine, guanine, cytosine, thymine, and uracil. These components, when combined with sugars and phosphates, lead to the formation of the genetic code from which everything we know on Earth, including us, came from.
Doubt remains, which is why they ask it as a question If this elemental element came from space or was born on Earth while our rocky world was in the making. However, the results of their research tend to indicate that all of this originally came from space.
All five components are present, both in our soil and in meteorite rocks. It’s something that has already been confirmed. But to differentiate either of the two in its purest form, experts have devised a method, rather than Using the acid to get each ingredient out, replace it with cold water. In this way they found that the bio-fluid preserved the compounds better.
In this context, they applied this technique to four meteorites that fell in Australia, Kentucky, and British Columbia. In all there was Adenine, guanine, cytosine, uracil, thymine
Then they did the same with soil samples collected in Australia and only these four components were found, but also in some cases the presence was greater in space rocks than in soil.
This could indicate contamination from the ground“said cosmologist Michael Callahan of Boise State University in Idaho. “I think they positively identified these compounds, but they did not provide enough convincing data to convince me that they are extraterrestrial,” he said.
With the latter, it leaves the investigation open and deeper analysis to be carried out in the future. The specimens brought by Osiris Rex from Bennu should be vital in providing an answer to this astonishing question.
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