Was There Life Ever On Mars?

In recent months, they have uncovered a series of shocking discoveries that have once again led scientists to believe that Mars is a home for life, even though it has been in the past. About 75% of scientists say they believe that life once existed, and 25% believe that life exists on Mars today. In 1996, a team of scientists led by David McKay of NASA's Johnson Space Flight Center announced that they had found evidence of fossil matter from Mars.

The meteorite in question originated on Mars 16 million years ago when a comet or comet collided with the planet and caused a crater. A 2-kilogram piece of Martian rock then traveled in an elliptical orbit around the sun until it was destroyed about 13,000 years ago. Nearly 15 million years ago, a massive asteroid that collided with Mars dropped ALH84001 into space, and some 13,000 years ago crashed into an ice sheet in Antarctica.

With little evidence of Earth's climate, ALH84001 was discovered by meteorite scientists in 1984 and was recently identified as Mars. ALH84001 is a very old Martian meteorite. It was polished from lava at the beginning of the planet's emergence 4.5 billion years ago. It is the only Martian meteorite containing a large number of carbonate minerals. Although the evidence for the existence of ALH84001 remains controversial, it has undoubtedly encouraged great new efforts to find the old or existing life on Mars. The potential for life on Mars today is further enhanced by the orbiter images released in June 2000 that show the channels of natural cold erosion on the slopes of Martian craters.

Evidence suggests that fluid may remain in the earth's crust near Mars. There is plenty of water on Mars, but most of it freezes underground and is buried underground. Although water has not yet been found on the surface of Mars, some researchers who study Martian ravines suggest that these features may have been created by underwater aquifers, suggesting that aquatic and aquatic organisms may be hidden underground. It is unlikely that microbial life could exist on Mars today, either under the planet's glaciers or in the underground pools discovered by the European Space Agency such as the Mars Express.

Such a place can protect lives in difficult conditions on earth. Perhaps if there had been (or ever was) life on Mars, traces of life could be found, or rather preserved, underground far removed from current difficult conditions. It is also possible that life could exist on Mars underground, judging by some of the Earth's microbes growing thousands of miles below. Some astronomers consider ancient Mars to be a better place to live than on Earth, and they suspect that life on our planet may have originated long ago in the Martian rocks that exploded in space because of its powerful influence.

Growing evidence shows that Mars could have survived in its early history when the planet was a tropical and subtropical country. When conditions on Mars' surface deteriorated, life could end there. If Mars were hot and humid for millions or millions of years, life would have had enough time to start.

Despite having the same equipment as the first Earth and similar water conditions, Mars did not have the ideal conditions for allowing life to form. All the materials needed for life on Earth are also abundant in the early Mars, including the dense atmosphere and freshwater surface.

At least two-thirds of the surface of Mars is over 3.5 billion years old, so Mars may hold the best data about prebiotic conditions leading to life. The modern era of Mars exploration provides ample evidence that at least part of Mars' surface may have been inhabited as far as we are concerned and that the inner planets may still be inhabited today. Evidence of ancient life may have been removed from parts of Mars, according to a new NASA study.

As NASA's Perseverance rover begins to search for ancient life on Mars, scientists are relying on this evidence to find the first signs of life on another planet. If Perseverance could find evidence of life on Mars, it could ultimately resolve the controversy over the contradictory or incomplete evidence of ancient life in our cosmic neighbor.

It is believed that if life did reach Earth's surface elsewhere, it might have been possible for Mars to thrive. Perhaps life originated on Earth and came to life on Mars; maybe life started on Mars and then planted on Earth; it is also possible that life arose before Earth and Mars, and that its original species clung to both planets. It may be a world barren forever; it may be a world where life prospered for a while, but then it came to a standstill; life can exist in it today; it did not sow seed in the first place, or it could be the only living things on earth that originated at the beginning of the space age. Mars is not the only place in our solar system where extraordinary life can thrive today.

From the view of the Martian canals in the 1800s to NASA's recent interest in the Perseverance rover, people have long admired the concept of life on Mars. Mars is in the spotlight this week as NASA launches a new campaign that USC experts say will be the key to discovering whether life on earth could exist and how humans could travel there. NASA's Mars 2020 rover, scheduled for launch next summer, will be looking for signs of life on the long-dead Red Planet.

The goal is the latest in a series of U.S. efforts, and for the rest of the world over the next 50 years, it will provide tremendous insight into Mars' ability to manage past and future life. This month, China, Japan, and the United Arab Emirates took part in the additional exploration of Mars, marking the first major travel window in two years. Curiosity's Mars missions began nine years ago, but the rover has continued to study the Red Planet longer than its first two-year program to determine where Mars lived in history.

The Mars 2020 missions are scheduled to stop the Perseverance rover on the red earth in February 2021, where it will search for ancient life signs and collect samples of rocks and soil to return to Earth. Persistence will require evidence of potential species on Mars, probably billions of years ago when we knew that Mars has a dense atmosphere and surface water.

NASA has selected a 28-mile Jezero crater to give perseverance the best chance of finding life symbols. In ancient times, a well was filled with water, containing all the ingredients needed for life. If life thrived there, its chemical and mineral remnants could be found on rocks beneath the shores of ancient lakes.