The terahertz sensor will be sent to the surface to measure oxygen isotope ratios in the atmosphere to better understand the chemical reactions that resupply the Martian atmosphere with carbon dioxide. To date, there have been seven Britons who have been in space.

The United Kingdom became a space power independently following a single payload insertion into orbit from Australia, before discontinuing official participation in space launch capability, including the Ariane project, in the 1970s.

Launch is currently scheduled for between July 17 and August 5, 2020, and it is expected to touch down in Jezero crater on Mars on February 18, 2021. This data has been incredibly valuable, and has earned the craft several end-date extensions.

Japan plans to send a probe to Mars’ largest moon Phobos in 2025. The nation’s space research activities are controlled by state-owned Indian Space Research Organization (ISRO). SpaceX isn’t alone in working toward reaching Mars, however. Elon Musk wants to land SpaceX’s first Mars transport ship in 2022, followed by four other vehicles during 2024.
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This has helped the spread of satellite technology to less wealthy countries without space programmes of their own. It is projected to remain in operation until 2025. "Very likely, we'll have to return those samples to Earth to make that definitive conclusion about whether these samples contain life in them," Morgan says. "The three instruments that are on the spacecraft will help us measure the atmosphere of Mars from the surface all the way to space, which hasn't really been done before with other missions," Brain says. "It's providing us with full understanding of the changes of the weather of Mars throughout an entire Martian day and throughout all the seasons of Mars throughout an entire Martian year, which lasts roughly two Earth years," she says.

Five satellites seem like they should be able to get along without getting in each others ways — after all, it’s far less complex to monitor a handful of satellites around Mars then it is to keep an eye on the 1000-plus satellites surrounding Earth.
Most are defunct after having served their purpose, but the Curiosity rover and the InSight lander are still operational as of 2019.

The Soviets also accomplished other notable first, including the first animal in space (1957), the first probe to impact the Moon and first images of the Moon (1959), the first women in space (1963) and many others. Right now, the red planet has five operational satellites from three different space agencies circling its skies, and the National Air and Space Agency is beginning to worry about them bumping into each other. India currently operates INSAT and GSAT series communication satellites, earth observation satellites, and IRNSS series navigational satellites. Science lead Al Amiri says that will give it a valuable perspective of the whole planet over time.

In 2009 the U.K. launched the UK-DMC 2 as part of the Disaster Monitoring Constellation, which provides emergency Earth imaging for disaster relief.

The pair of rovers are widely credited with providing the first solid “ground truth’ that at one time” Mars was much wetter than it is today.

India currently owns and operates communication satellites named INSAT and GSAT series and Navigation satellites IRNSS.