THERE'S LIFE! Rock Samples From NASAs Curiosity Mars Rover Contain Key Ingredient Of Life

THERE'S LIFE! Rock Samples From NASAs Curiosity Mars Rover Contain Key Ingredient Of Life

The search for signs of life on Mars is starting to pay off as the rock samples collected by the Curiosity rover appear to show signs of a key component of life as we know it. On June 27, 2022, NASA announced that the Mars Curiosity rover, for the first time, has measured the amount of organic carbon in a sample of 3.5-billion-year-old rocks drilled from the site of an ancient lake on Mars’ Gale crater.

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So, does this mean we have found life? Let’s find out!
Welcome to Space World. In today’s video we are going to talk about the key ingredient of life found by Nasa’s curiosity rover in rock samples on mars. So, if you want to know more about it then stay with us until the end of the video.
Organic carbon is carbon bound to a hydrogen atom. It is the basis for organic molecules, which are created and used by all known forms of life. However, organic carbon on Mars does not prove the existence of life there because it can also come from non-living sources, such as meteorites and volcanoes, or be formed in place by surface reactions. Organic carbon has been found on Mars before, but prior measurements only produced information on particular compounds, or represented measurements capturing just a portion of the carbon in the rocks. The new measurement gives the total amount of organic carbon in these rocks.
Although the surface of Mars is inhospitable for life now, there is evidence that billions of years ago the climate was more Earth-like, with a thicker atmosphere and liquid water that flowed into rivers and seas. Since liquid water is necessary for life as we understand it, scientists think Martian life, if it ever evolved, could have been sustained by key ingredients such as organic carbon, if present in sufficient amount.
On June 27, 2022, NASA announced that the Mars Curiosity rover has measured the amount of organic carbon in a sample drilled from the site of an ancient lake on Mars’ Gale crater. As we know that Organic carbon is carbon bound to a hydrogen atom. It’s the basis for organic molecules, and a building block of all known forms of life. NASA space scientist Jennifer Stern is lead author of paper on the findings, published in the peer-reviewed journal Proceedings of the National Academy of Sciences on June 27, 2022. She said:
“Total organic carbon is one of several measurements [or indices] that help us understand how much material is available as feedstock for prebiotic chemistry and potentially biology.”
She also added that:
“We found at least 200 to 273 parts per million of organic carbon. This is comparable to, or even more than, the amount found in rocks in very low-life places on Earth, such as parts of the Atacama Desert in South America, and more than has been detected in Mars meteorites.”
The rover drilled the samples of rock – called mudstone – from the site of an ancient, now-dry lake in the Yellowknife Bay formation of Mars’ Gale crater. Scientists say the mudstone formed 3.5 billion years ago, when very fine sediment – from weathering of volcanic rocks – settled to the bottom of the lake and was buried. Both active Mars rovers, Curiosity and Perseverance, have detected organic carbon molecules on Mars before, but this is the first time the amount of organic carbon has been quantified.
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