Scientists believe that there could be life on the planet Mars

Video: Scientists believe that there could be life on the planet Mars

2024 Author: Seth Attwood | [email protected]. Last modified: 2023-12-16 15:55

Looking at images of Mars, we see a dusty, dry, cold and lifeless planet. However, modern science claims that in the distant past, the Red Planet had a powerful magnetic field, a dense atmosphere, and on the surface there were rivers, deep lakes and the World Ocean.

All available data indicate that a mild climate reigned on Mars for several billion years, and this is quite enough for at least primitive life to appear there. However, scientists need convincing evidence and they are doing everything possible to find it and make it public.

Since 2012, the researchers have been assisted by the legendary NASA rover Curiosity, which has achieved significant results. The rover is located in Gale Crater, which is the bottom of an ancient lake and is said to be a great place to find traces of ancient life.

"The crater was filled with water for millions of years, and so we sent the rover there. The cracks in the ground are filled with sulfate and this suggests that the interaction with the water continued even after the lake dried up. How? Under the crater, a system of subsurface waters appeared," explained planetary scientist Christopher House.

Curiosity's soil samples indicate that the aquatic system has been functioning for at least a billion years. Consequently, conditions on Mars did not deteriorate at lightning speed, and this process took more than a billion years. The simplest forms of life could get over to safe shelter below the surface.

"At times, the rover bakes soil samples in its mini-lab and we can use a mass spectrometer to study the molecules released after the temperature rises. This is how we discovered pyrite, a sulfide mineral formed with the participation of organic matter," House added.

Now compare the facts: magnetic field, mild climate, dense atmosphere, large reserves of water, organic matter and billions of years without serious shocks. Could life have arisen there? Planetary scientist Christopher House is sure of this, and periodic methane emissions are additional evidence.

"When the NASA Perseverance rover reaches the Red Planet, lands and starts work, it is highly likely that we will receive data that will change our understanding of the neighboring planet once and for all," concluded House.

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