Perseverance rover landed on Mars: will discover life on Mars

 19 Feb 2021 ( News Bureau )

US space agency NASA's spacecraft Perseverance has landed on the surface of Mars.

To reach Mars, this spacecraft has traveled about half a billion kilometers from the Earth seven months ago. 'Perseverance Rover' has landed on Mars in a deep crater, which is close to the equator of the planet Zzero.

Rover tweeted a photo after landing on the surface of Mars. This rover will examine the land of an old dried up lake, as well as any signs of micro-organisms on Mars billions of years ago, and send them to Earth.

Just as the spacecraft landed on the ground of Mars, the smiles on the faces of the scientists sitting at NASA's Control Center. This is NASA's first mission since 1970 to find traces of life on Mars.

Mission Deputy Project Manager Matt Wallace said, "The good news of the spacecraft is that I think it is in perfect condition."

This six-wheeled rover will excavate the stones and rocks of Mars in the next 25 months to search for evidence that indicates that life was once possible here.

It is believed that there used to be a huge lake near Jezero billions of years ago. And where there is water, there is a possibility that there must have been life there too.

Astronauts at NASA received indications that the 'Perseverance Rover' had landed safely on Mars at 8:55 pm (GMT).

On a normal day, he would probably hug and shake his hands on happy occasions. But due to the Corona virus protocol, social distance is being followed here. However, the members of the mission expressed their happiness by fighting fists with each other.

This was followed by two low-resolution images of Mars taken by the rover's engineering cameras on the screen. Photographs show that there was a lot of dust in front of the camera lens but the ground appeared in front and back of the rover.

The analysis conducted after the landing reveals that the rover has traveled two kilometers towards the southeastern part of the delta region at the zzero.

"Our rover is in a flat area," says Alan Chan, who leads the landing team. So far the vehicle is tilted at 1.2 degrees. We found a place to take off the rover and we easily landed our rover on the ground. I am very proud of my team for this remarkable work.''

NASA Interim Administrator Steve Jarczek also congratulated the team of scientists for this success.

He has said, "The team has done a great job. What a wonderful team that has done this by overcoming the difficulties of landing the rover on Mars amidst the challenges of COVID-19.

Mike Watkins, director of NASA's Jet Propulsion Lab, said, "For us these early days are very special because we, as this rover, landed a representative of the Earth on a place where no one has ever gone before .''

It has never been easier to land on Mars. But NASA has become an expert in this matter. However, the Perseverance team spoke very carefully about their work on Thursday, 18 February 2021.

This is the second one-ton weight rover launched on Mars by the US Space Agency NASA.

Helicopter will fly on Mars?

Earlier, the Curiosity rover was launched in 2012 on another crater on Mars.

Controllers will work on a new rover in the coming days and try to see if any part of the rover has been damaged in the process of landing on the ground.

To take pictures, the mast of persistence and its main camera system should be raised upwards. Also, the rover has been transported to Mars through a special software, this software will also have to be changed so that the program can be run to run the rover on the surface of Mars.

With this, Perseverance is expected to take several photographs of the surface of Mars in the next week so that scientists can understand the surrounding area better.

One of the purposes of this rover is to fly a low-weight helicopter to Mars. Perseverance has taken a small helicopter with him. The rover will attempt to fly this helicopter which will be the first such flight on another planet.

In terms of Mars, it can be as long as the Wright Brothers Moment, exactly when the Wright brothers first flew to Earth and realized their dream of flying.

Only then will the robot begin to carry out the main work of this mission and move to the Zzero where the delta region is.

The delta areas are formed by rivers when they fall into the sea and leave sediments with them on the shore. Scientists are hoping that the deltas of Jezero are made up of these sediments, which could be huge signs of life in any area.

Perseverance will sample the delta and move toward the edge of the crater.

Investigation through satellites has revealed that there are carbonate rocks at this place which are considered to be very good at containing biological processes on Earth.

The Persistence Rover has all the tools that can study all of these structures intensively at the microscopic level.

Why is the Zzero crater special?

The forty-five-kilometer-wide crater on Mars is named after a town in Bosnia-Herzegovina. The word Zzero in the Slovak language means lake, which is enough to explain why there is a special interest in this name.

Zzero consists of a variety of rocks consisting of clay and carbonate rocks. They have the ability to save organic molecules. Scientists believe that they can find those molecules in the Zzero of Mars that can tell about the signs of life there.

Those sediments are important in this, which is being called 'bathtub ring'. According to scientists, this must have been the coastal area of ​​the old lake of Mars. At this place, perspiration can be found in those sediments called stromatolitis on Earth.

"In some lakes you find microbial mats and carbonates interact with each other to form larger structures," says Dr. Bryony Horgan, a member of the science team associated with Purdue University in the West Lafayette area of ​​the American province of Indiana. And these are produced layer by layer. If we find any such structure in Jazero then we will go directly to the same. Because they can prove to be the mine of the mysteries of astrobiology of Mars.''

The interesting rocks that Perseverance will discover will keep parts of them in thin tubes placed on the left side of the ground.

NASA and the European Space Agency have drawn up a plan to bring these cylinders back to Earth. This project will cost a lot of money.

It will be a very complicated endeavor that will use another rover, a Mars rover, and a giant satellite to bring the rocks of the Zzero to Earth.

Scientists believe that bringing these samples back to understand Mars is a logical step. If persistence finds something that resembles a bio-signature, that evidence will still be investigated.

In such a situation, by bringing those rocks back, the earth will be examined in a state of the art way so that all the speculations related to whether or not there is life on Mars will be stopped.


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