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THE OZU MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION IN THE MARS-LIKE DESERT IN UTAH.

The OzU Mars Rover in the University Rover Challenge, Mars Desert Research Station in the Mars-like desert in Utah. Ozyegin University, Istanbul, Turkey (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE IITB MARS ROVER TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the IITB Mars Rover Team. University Rover Challenge, Mars Desert Research Station, Utah. Indian Institute of Technology, Bombay, India (KEYSTONE/VWPICS/Jon G. Fuller )

THE TEAM INTERPLANETAR MARS ROVER WORKS ON THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Team Interplanetar Mars Rover works on the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

THE BINGHAMTON UNIVERSITY MARS ROVER APPROACHES THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Binghamton University Mars Rover approaches the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. (KEYSTONE/VWPICS/Jon G. Fuller )

A JUDGE SCORES THE BINGHAMTON UNIVERSITY MARS ROVER WORKING ON THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

A judge scores the Binghamton University Mars Rover working on the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. (KEYSTONE/VWPICS/Jon G. Fuller )

THE BINGHAMTON UNIVERSITY MARS ROVER APPROACHES THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Binghamton University Mars Rover approaches the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. (KEYSTONE/VWPICS/Jon G. Fuller )

THE TEAM INTERPLANETAR MARS ROVER WORKS ON THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Team Interplanetar Mars Rover works on the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

THE PROJECT SCORPIO MARS ROVER WORKS ON THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Project Scorpio Mars Rover works on the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

THE OZU MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION IN THE MARS-LIKE DESERT IN UTAH.

The OzU Mars Rover in the University Rover Challenge, Mars Desert Research Station in the Mars-like desert in Utah. Ozyegin University, Istanbul, Turkey (KEYSTONE/VWPICS/Jon G. Fuller )

THE PROJECT SCORPIO MARS ROVER WORKS ON THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The Project Scorpio Mars Rover works on the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

DER PLANET MARS MIT EINEM WUNDERSCHÖNEN SONNENUNTERGANG. DIE OBERFLÄCHE DES MARS. LEBEN AUF DEM MARS

Der Planet Mars mit einem wunderschönen Sonnenuntergang. Die Oberfläche des Mars. Leben auf dem Mars (KEYSTONE/CHROMORANGE/Ales Utouka)

RAUMSCHIFF RAKETE HEBT MIT RAUCH UND EXPLOSION AUF DEM ROTEN PLANETEN MARS. MARS-RAUMFAHRT, KREATIVE IDEE. ERFOLGREICHER RAKETENSTART ZUM MARS

Raumschiff Rakete hebt mit Rauch und Explosion auf dem roten Planeten Mars. Mars-Raumfahrt, kreative Idee. Erfolgreicher Raketenstart zum Mars (KEYSTONE/CHROMORANGE/Ales Utouka)

ERSTAUNLICHER ROTER PLANET MARS MIT KRATERN UND SCHÖNEN BLAUEN SONNENUNTERGANG IM ALL MIT STERNEN. DER NEUE PLANET MARS. REISE ZUM MARS, KREATIVE IDEE

Erstaunlicher roter Planet Mars mit Kratern und schönen blauen Sonnenuntergang im All mit Sternen. Der neue Planet Mars. Reise zum Mars, kreative Idee (KEYSTONE/CHROMORANGE/Ales Utouka)

BLICK AUF DEN PLANETEN ERDE VOM MARS. MARS, DER ROTE PLANET MIT DETAILLIERTEN OBERFLÄCHENMERKMALEN UND KRATERN IM WELTRAUM. BLAUER ERDE-PLANET IM WELTRAUM. MARS UND ERDE, BEGRIFF.

Blick auf den Planeten Erde vom Mars. Mars, der rote Planet mit detaillierten Oberflächenmerkmalen und Kratern im Weltraum. Blauer Erde-Planet im Weltraum. Mars und Erde, Begriff. (KEYSTONE/CHROMORANGE/Ales Utouka)

MARS, MARS EXPRESS IMAGE

This image may not be used to state or imply ESA endorsement of any company or product .Mosaic Mars Express image of the surface of Mars. The blue areas are basaltic sand, which blows across Mars' surface forming dune fields. Just below centre are the Valles Marineris (Mariner Valleys), a massive system of canyons near the equator. The canyons are many hundreds of kilometres long and several kilometres deep in places, dwarfing similar canyons on Earth. Data obtained by the High-Resolution Stereo Camera (HRSC) on Mars Express. The European Space Agency's Mars Express has been orbiting Mars since December 2003. (KEYSTONE/SCIENCE PHOTO LIBRARY/EUROPEAN SPACE AGENCY)

ROBOTIC ARM OF THE TEAM INTERPLANETAR MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Team Interplanetar Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

THE OZU MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE AT THE MARS DESERT RESEARCH STATION, UTAH.

The OzU Mars Rover in the University Rover Challenge at the Mars Desert Research Station, Utah. Ozyegin University, Istanbul, Turkey (KEYSTONE/VWPICS/Jon G. Fuller )

THE OZU MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE AT THE MARS DESERT RESEARCH STATION, UTAH.

The OzU Mars Rover in the University Rover Challenge at the Mars Desert Research Station, Utah. Ozyegin University, Istanbul, Turkey (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the Project Scorpio Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the Project Scorpio Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

TEAM MEMBERS WORK ON THE BINGHAMTON UNIVERSITY MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Team members work on the Binghamton University Mars Rover in the University Rover Challenge, Mars Desert Research Station, Utah. SUNY Binghamton, Binghamton University Rover Team. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE TEAM INTERPLANETAR MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Team Interplanetar Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the Project Scorpio Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

TEAM MEMBERS WORK ON THE BINGHAMTON UNIVERSITY MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Team members work on the Binghamton University Mars Rover in the University Rover Challenge, Mars Desert Research Station, Utah. SUNY Binghamton, Binghamton University Rover Team. (KEYSTONE/VWPICS/Jon G. Fuller )

TEAM INTERPLANETAR MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE AT THE MARS DESERT RESEARCH STATION, UTAH.

Team Interplanetar Mars Rover in the University Rover Challenge at the Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM WITH SOIL-SAMPLING SCOOP OF A MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm with soil-sampling scoop of a Mars rover in the University Rover Challenge, Mars Desert Research Station, Utah. IITB Mars Rover Team, Indian Institute of Technology, Bombay, India. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the Project Scorpio Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE BINGHAMTON UNIVERSITY ROVER TEAM MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Binghamton University Rover Team Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE ROVEROVA TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Mars Rover of the RoverOva Team. University Rover Challenge, Mars Desert Research Station, Utah. RoverOva, VSB - Technical University of Ostrava, Czech Republic. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Mars Rover of the Project Scorpio Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO TEAM PICKS UP A TOOLBOX. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Mars Rover of the Project Scorpio Team picks up a toolbox. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PCZ ROVER TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Mars Rover of the PCZ Rover Team. University Rover Challenge, Mars Desert Research Station, Utah. Czestochowa University of Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE BINGHAMTON UNIVERSITY ROVER TEAM MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Binghamton University Rover Team Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. The video camera on the arm gives the remote operator a view of the arm in action. The operator is in an enclosed trailer and cannot see the rover, as would be the case on a real Mars rover. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE TEAM INTERPLANETAR MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Team Interplanetar Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

THE OZU ROVER APPROACHES THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH.

The OzU Mars Rover approaches the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. Ozyegin University, Istanbul, Turkey (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE BINGHAMTON UNIVERSITY ROVER TEAM MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Binghamton University Rover Team Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. The video camera on top gives the remote operator the viewl The operator is in an enclosed trailer and cannot see the rover, as would be the case on a real Mars rover. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE IITB MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the IITB Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. Indian Institute of Technology, Bombay, India. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE MARS ROVER OF THE PCZ ROVER TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Mars rover of the PCZ Rover Team. University Rover Challenge, Mars Desert Research Station, Utah. Czestochowa University of Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

DETAIL OF THE ROBOTIC ARM OF A MARS ROVER IN THE UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH

Detail of the robotic arm of a Mars rover in the University Rover Challenge, Mars Desert Research Station, Utah. Dual cameras on the arm give the remote operator a view of the arm in action. The operator is in an enclosed trailer and cannot see the rover, as would be the case on a real Mars rover. (KEYSTONE/VWPICS/Jon G. Fuller )

MARS ROVER OF THE PROJECT SCORPIO ROVER TEAM. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Mars Rover of the Project Scorpio Rover Team. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. Note the Kevlar-coated tires. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE PROJECT SCORPIO MARS ROVER PREPARING TO SET A SCREW. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Project Scorpio Mars Rover preparing to set a screw. University Rover Challenge, Mars Desert Research Station, Utah. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

ROBOTIC ARM OF THE TEAM INTERPLANETAR MARS ROVER. UNIVERSITY ROVER CHALLENGE, MARS DESERT RESEARCH STATION, UTAH.

Robotic arm of the Team Interplanetar Mars Rover. University Rover Challenge, Mars Desert Research Station, Utah. Bangladesh University of Engineering and Technology in Dhaka, Bangladesh. (KEYSTONE/VWPICS/Jon G. Fuller )

THE PROJECT SCORPIO ROVER APPROACHES THE MARS LANDER IN THE UNIVERSITY ROVER CHALLENGE. MARS DESERT RESEARCH STATION, UTAH

The Project Scorpio Rover approaches the Mars Lander in the University Rover Challenge. Mars Desert Research Station, Utah. A team watches. Wroclaw University of Science and Technology, Poland. (KEYSTONE/VWPICS/Jon G. Fuller )

UTOPIA PLANITIA ON MARS, MARS EXPRESS IMAGE

This image may not be used to state or imply ESA endorsement of any company or product .Mars Express image of Utopia Planitia, a plain in the northern hemisphere of Mars. Utopia Planitia has a diameter of 3,300 km. Image was created using data from the nadir and colour channels of the High Resolution Stereo Camera (HRSC) on Mars Express. (KEYSTONE/SCIENCE PHOTO LIBRARY/EUROPEAN SPACE AGENCY/DLR/FU Berlin/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT APPROACHING MARS, MRO IMAGE

Satellite image of the Mars 2020 spacecraft approaching Mars on 18th February 2021. The spacecraft has deployed its parachute to slow its descent to the planet's surface. It's landing target is Jezero crater. The spacecraft is carrying the Perseverance rover, which will study the geology of Mars and search for signs of life. Mars 2020 launched on 30th July 2020. Image obtained by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter (MRO) spacecraft. (KEYSTONE/SCIENCE PHOTO LIBRARY/NASA/JPL-Caltech/University of Arizona/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT APPROACHING MARS, ILLUSTRATION

Mars 2020 spacecraft approaching Mars, illustration. The spacecraft has deployed its parachute to slow its descent to the planet's surface. It's landing target is Jezero crater (ringed in yellow). The spacecraft is carrying the Perseverance rover, which will study the geology of Mars and search for signs of life. Mars 2020 launched on 30th July 2020 and is expected to land on Mars on 18th February 2021. (KEYSTONE/SCIENCE PHOTO LIBRARY/RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT DESCENDING TO MARS, ILLUSTRATION

Mars 2020 spacecraft descending to Mars, illustration. It's landing target is Jezero crater (ringed in yellow). The spacecraft's heat shield protects it as it enters the Martian atmosphere and friction heats it to over 1,000 degrees Celsius. After approximately four minutes the parachute is deployed and the heat shield jettisoned. When a safe landing place has been selected by the onboard camera, the rocket-powered descent stage will initiate the sky crane manoeuvre to safely land the Perseverance rover on the surface. Perseverance will study the geology of Mars and search for signs of life. Mars 2020 launched on 30th July 2020 and is expected to land on Mars on 18th February 2021. (KEYSTONE/SCIENCE PHOTO LIBRARY/RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT APPROACHING MARS, ILLUSTRATION

Mars 2020 spacecraft approaching Mars, illustration. The spacecraft's heat shield protects it as it enters the Martian atmosphere (left) and friction heats it to over 1,000 degrees Celsius. It's landing target is Jezero crater (ringed in yellow). The spacecraft is carrying the Perseverance rover, which will study the geology of Mars and search for signs of life. Mars 2020 launched on 30th July 2020 and is expected to land on Mars on 18th February 2021. (KEYSTONE/SCIENCE PHOTO LIBRARY/RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT APPROACHING MARS, ILLUSTRATION

Mars 2020 spacecraft approaching Mars, illustration. The spacecraft's heat shield protects it as it enters the Martian atmosphere (left) and friction heats it to over 1,000 degrees Celsius. It's landing target is Jezero crater (ringed in yellow). The spacecraft is carrying the Perseverance rover, which will study the geology of Mars and search for signs of life. Mars 2020 launched on 30th July 2020 and is expected to land on Mars on 18th February 2021. (KEYSTONE/SCIENCE PHOTO LIBRARY/RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY)

MARS 2020 SPACECRAFT APPROACHING MARS, ILLUSTRATION

Illustration of Mars 2020 spacecraft approaching Mars. The cruise stage is seen attached to the aeroshell, which contains the Perseverance rover and the descent stage. The rover is part of the Mars 2020 mission to study the planet's geology and search for signs of life. The spacecraft launched on 30th July 2020 and is expected to land on Mars on 18th February 2021. (KEYSTONE/SCIENCE PHOTO LIBRARY/NASA/JPL-Caltech/SCIENCE PHOTO LIBRARY)

MARS 2020 ROVER AND HELICOPTER ON MARS, ILLUSTRATION

Illustration of the Mars 2020 mission Perseverance rover and Ingenuity helicopter on the surface of Mars. The Mars 2020 mission, part of NASA's Mars Exploration Program, launched on 30th July 2020. It will land on Mars on 18th February 2021. Ingenuity is a technology demonstration to test the first powered flight on Mars. Perseverance will search for habitable conditions in the ancient past and signs of past microbial life on Mars. (KEYSTONE/SCIENCE PHOTO LIBRARY/NASA/JPL-Caltech/SCIENCE PHOTO LIBRARY)

MARS 2020 HELICOPTER ON MARS, ILLUSTRATION

Illustration of the Mars 2020 mission helicopter Ingenuity flying over the surface of Mars. The Mars 2020 mission, part of NASA's Mars Exploration Program, launched on 30th July 2020. It will land on Mars on 18th February 2021. Ingenuity is a technology demonstration to test the first powered flight on Mars. The mission also includes the Perseverance rover. The rover will search for habitable conditions in the ancient past and signs of past microbial life on Mars. (KEYSTONE/SCIENCE PHOTO LIBRARY/NASA/JPL-Caltech/SCIENCE PHOTO LIBRARY)

MARS 2020 HELICOPTER ON MARS, ILLUSTRATION

Illustration of the Mars 2020 mission helicopter Ingenuity on the surface of Mars. The Mars 2020 mission, part of NASA's Mars Exploration Program, launched on 30th July 2020. It will land on Mars on 18th February 2021. Ingenuity is a technology demonstration to test the first powered flight on Mars. The mission also includes the Perseverance rover (in background). The rover will search for habitable conditions in the ancient past and signs of past microbial life on Mars. (KEYSTONE/SCIENCE PHOTO LIBRARY/NASA/JPL-Caltech/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ON MARS, ILLUSTRATION

Mars 3 spacecraft on Mars, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter and a lander (seen here). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ON MARS, ILLUSTRATION

Mars 3 spacecraft on Mars, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter and a lander (seen here). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ON MARS, ILLUSTRATION

Mars 3 spacecraft on Mars, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter and a lander (seen here). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS POLAR LANDER ON SURFACE OF MARS, ILLUSTRATION

Illustration of the Mars Polar Lander in the South Polar region of Mars. This probe launched in January 1999 to study the soil and weather on Mars. The lander had a robot arm (centre) for collecting soil samples for analysis. It also had a camera (grey, above the arm) to photograph the terrain. Data was to be relayed through the black dish at upper right. The probe was powered by its large solar panels (blue). Contact with the spacecraft was lost just before its expected landing on 3rd December 1999. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS SAMPLE RETURN MISSION LEAVING MARS, ILLUSTRATION

Illustration of a Mars Sample Return spacecraft blasting off from the surface of Mars. This proposed craft has the aim of returning Martian soil samples to Earth for detailed analysis. It is made up of two parts; a lander which provides the base, and a module which is seen returning to Earth. Robot arms are seen on either side of the lander, which collect soil samples for the mission. A rover is seen at lower right. The Sample Return mission is designed to land near and collect samples from a rover left from an earlier mission, which had collected rocks from the surface. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)

MARS 3 SPACECRAFT ENTERING MARS ORBIT, ILLUSTRATION

Mars 3 spacecraft preparing to enter Mars orbit, illustration. Mars 3 was a Soviet unmanned space probe to Mars launched on 28th May 1971. It was composed of an orbiter (seen here) and a lander (within black cone). The Mars 3 lander made the first ever soft landing on Mars on 2nd December 1971 using aerodynamic braking, parachutes and retrorockets. 90 seconds after landing, and after 20 seconds of picture transmission, the lander stopped working for unknown reasons. (KEYSTONE/SCIENCE PHOTO LIBRARY/DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY)