Nasas Mars Perseverance rover will land on the red planet on Thursday to begin its search for traces of life.The mission is to explore and collect samples for future return to Earth from diverse ancient environments on Mars.The rover a scientific laboratory the size of a car is due to land on the red planet at around 8.43pm on Thursday.
The research destination is Jezero crater, a 28-mile-wide depression containing sediments of an ancient river delta.
Researchers suggest that evidence of past life could be preserved here.
Perseverance will gather rock and soil samples using its drill, and will store the sample cores in tubes on the Martian surface ready for a return mission to bring around 30 samples to Earth in the early 2030s.
Professor Sanjeev Gupta from Imperial College London will help Nasa oversee mission operations from a science and engineering point of view.
Professor Mark Sephton, also from Imperial College London, will help to identify samples that could contain evidence of past life.
Professor Caroline Smith, from the Natural History Museum, will study the mineralogy and geochemistry of the rocks found in Jezero crater.
Dr Keyron Hickman-Lewis, also from the Natural History Museum, will study the environments reflected by sedimentary rocks exposed in the crater and the potential for the preservation of ancient microbial life.
NASA’s Mars 2020 spacecraft carrying the Perseverance rover as it approaches Mars. Picture: NASA/PA
The researchers are supported by more than £400,000 in funds from the UK Space Agency (UKSA).
Sue Horne, head of space exploration at the UKSA, said: It is great to see a strong representation of UK scientists and engineers involved in the Perseverance mission.
Over the next few years, our scientists will play a leading role in this international endeavour, from managing logistical operations to deciding which samples are to be returned to Earth.
Perseverance will bring us one step closer to answering the question thats been on the lips of Bowie fans and scientists for the last 40 years. 
The rovers instruments will analyse scientifically interesting samples at the Martian surface.
Selected samples will be collected by drilling down to several centimetres and then sealed in sample tubes and stored on the rover.
When the rover reaches a suitable location, a cache of tubes will be dropped on the surface of Mars to be collected by the Sample Fetch Rover which will take them to the Nasa Mars Ascent vehicle.
Perseverance also carries the Ingenuity Mars Helicopter, which will fly short distances from the rover in the first attempt at powered, controlled flight on another planet.
A successful test of the helicopter could lead to more flying probes to survey the landscape on other planets.
It will also trial technologies to help astronauts make future expeditions to Mars.
These include testing a method for producing oxygen from the Martian atmosphere, identifying other resources such as subsurface water, and improving landing techniques.
Artist impression issued by NASA of NASA’s Perseverance rover landing safely on Mars. Picture: PA
They also involve characterising weather and other environmental conditions that could affect future astronauts living and working on Mars.
Prof Gupta said: It is crucial to understand what the Martian climate was like early in Marss history and whether it was habitable for life.
Analysis of data from instruments onboard Perseverance will help us define the best spots to collect rock samples for future return to Earth.
Laboratory analyses of such samples on Earth will enable us search for morphological and chemical signatures of ancient life on Mars and also answer key questions about Marss geological evolution. 
Prof Sephton said: This could be the mission that answers the question of whether life ever existed on Mars. 
Evidence of biology on another planet would mean that life on Earth was not alone.
We need to choose the best samples and return around half a kilogramme of material from Mars.
The molecular fingerprints of Mars life need not only to have been generated, but also preserved over billions of years. Perseverance was one of three space missions sent towards Mars during a July 2020 launch window.
The Red Planet – A Hubble Space Telscope image of Mars. Picture: NASA/PA
This period occurs approximately every two years and two months and is the most economical time in which a rocket can be launched to reach its intended target.
Last week saw the UAEs Hope probe and Chinas Tianwen-1 or the Quest For Heavenly Truth enter Marss orbit.

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