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Life on Mars: Why NASA Is Investigating Mankind's "Biggest Discovery" | Science | News



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The possibility of life on Mars is a matter of significant interest to NASA because of its resemblance to Earth, but so far no evidence has been found of past or present life as we know it. However, recent advances suggest that the Red Planet has already flowed with water, which means that Mars may have come to life in much warmer and wetter conditions than today. On October 8, 2015, NASA published its strategy for the human exploration and colonization of Mars, the concept operating through three distinct phases leading to the fully sustained civilization on the Red Planet, which they hope to implement in the mid-2030s.

Three years later, Garvin revealed what the space agency hopes to find during Amazon Prime's documentary "Tomorrow's World."

He said in 2018: “When Mars and Earth formed more than four and a half billion years ago, they were like brothers, with every possibility of how they would grow and become today.

“So now we have a story of two deviant objects and yet we still share some of the basic components that make them so tempting.

"But Mars is much smaller than Earth and one of the things we recognize in the Solar System is that size matters.

"Planetary size influences how the atmospheres of the planets evolved."

The narrator explained to viewers why a waning atmosphere may have destroyed any living organisms on the surface.

He said: “Mars is, in fact, six times smaller than Earth, its smaller core is colder than our planet's.

“Over time, Mars cooled faster and its volcanoes finally died.

“With nothing to feed it, the atmosphere gradually dissipated into space, leaving Mars at the mercy of the cosmic rays and the coldness of space.

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Dr. Garvin explained why the future mission can be a big step forward in understanding the history of the solar system.

He added: “If we knew the self-replicating molecule, we would call it 'life'. on a terrestrial planet that existed on Mars, this would be the greatest discovery in human history.

"That would change everything."

NASA's mission to Mars is divided into three distinct phases, leading to a fully sustained civilization.

The first step, already underway, is the “Earth Dependent” phase, which will continue to use the International Space Station until 2024, validating deep space technologies and studying the effects of long-term space missions on the human body.

The second stage, “Proving Ground,” ventures into shear space for most of its tasks, to test deep-space housing facilities and validate the capabilities needed for human exploration of Mars.

Finally, in phase three, the “Earth Independent” stage includes long-term Red Planet missions with surface habitats that require only routine maintenance and the harvesting of Martian resources for fuel, water and building materials.

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