NASA’s Mars Rover Finds Evidence of Liquid Water on Mars

New data shows that the Curiosity rover has discovered the remains of an ancient lake filled with liquid water billions of years ago.

NASA’s Curiosity rover has been exploring Mars since August 2012 and recently found evidence of a lake of liquid water on the surface of the Red Planet in the distant past. The rover found small bumps similar to those seen in lake beds on Earth.

These bumps could have been created by wind moving water. This discovery suggests that 3.7 billion years ago, the water on the surface of Mars was not frozen. The study was published in the journal Science Advances, ScienceAlert writes.

Mars is the fourth planet from the Sun and is known for its bright red color, which is caused by the presence of iron oxide in the rocks on the planet’s surface.

Mars is a rocky terrestrial planet and is similar to Earth in that it has volcanoes, plains, mountains, and dry river beds similar to Earth. But that is where Mars’ similarities to our planet end. Mars’ polar caps are made of frozen carbon dioxide, the planet has an atmosphere that is unbreathable, and it has very cold temperatures and a desert surface.

Scientists believe that microbial life could have existed on Mars in the distant past, but its signs have not yet been found. The Curiosity rover, which has been studying the surface of Mars and its atmosphere in the Gale crater for almost 13 years, is also looking for them.

The main task of the Curiosity rover is to study the climate and geology of Mars and how they have changed over time. The spacecraft must also assess whether Mars could have had conditions that supported microbial life in the distant past. To achieve its goals, the rover has special instruments and cameras that allow it to study local rocks and the atmosphere.

Now, scientists have reported that Curiosity has made a very important discovery on Mars. It has found what appear to be ancient ripples on the surface of Mars, created where a lake of liquid water once stood billions of years ago.

The ripples are tiny bumps often seen on beaches and lake beds on Earth as wind-driven water flows through shallow water. The discovery means the water on Mars was not frozen 3.7 billion years ago, scientists say.

The ripples found in Gale Crater are the strongest evidence yet that the Red Planet had bodies of liquid water in its history. Scientists say Mars was much warmer and had a thicker atmosphere back then, meaning liquid water could have existed in the open air and not been covered in ice.

The authors of the study created computer models to determine the size of the ancient lake based on the data they obtained. It is assumed that the lake was small and shallow, up to 2 meters deep.