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An instrument destined for Jupiter orbit undergoes eight days of cryogenic radio-frequency testing using a new test facility at ESA’s ESTEC technical centre in the Netherlands. The Submillimetre Wave Instrument of ESA’s Juice mission will survey the churning atmosphere of Jupiter and the scanty atmospheres of its Galilean moons.

Testing took place in ESA’s custom-built Low-temperature Near-field Terahertz chamber, or Lorentz. The first chamber of its kind, the 2.8-m diameter Lorentz chamber can perform high-frequency radio-frequency testing in realistic space conditions, combining space-quality vacuum with ultra-low temperatures.

The Jupiter Icy Moons Explorer has moved into the ‘Large Space Simulator’ at ESA’s test centre, ready for grueling environmental tests at a range of temperatures.

A new study using satellite evidence confirms that a rock and ice avalanche caused the Chamoli disaster in India earlier this year. The resulting mud and debris flood led to massive destruction downstream.

Register now to join us on 28 June, 18:00-20:00 CEST - seats limited.

As today’s world becomes increasingly connected, ESA is partnering with the European Commission to keep communications secure.

Week in images: 07 - 11 June 2021

Discover our week through the lens

ESA’s large-class science missions for the timeframe 2035-2050 will focus on moons of the giant Solar System planets, temperate exoplanets or the galactic ecosystem, and new physical probes of the early Universe.

Chongqing, the largest municipality in China, is featured in this Copernicus Sentinel-2 image.

As part of ESA’s commitment to develop and build satellite missions that push the boundaries of satellite technology and Earth science, four new mission ideas – Cairt, Nitrosat, Seastar and Wivern – have been selected to enter pre-feasibility study and compete to be the eleventh Earth Explorer mission.

Forest degradation has become the largest process driving carbon loss in the Brazilian Amazon, according to a recent study using ESA satellite data.

The world’s first wooden satellite is on the way, in the shape of the Finnish WISA Woodsat. ESA materials experts are contributing a suite of experimental sensors to the mission as well as helping with pre-flight testing.

Research based on ice-thickness data from ESA’s CryoSat and Envisat missions along with a new model of snow has revealed that sea ice in the coastal regions of the Arctic may be thinning twice as fast as thought.

ESA astronaut Thomas Pesquet and NASA astronaut Megan MacArthur run sessions on the Pilote experiment proposed by France’s space agency CNES in the European Columbus module of the International Space Station.

Continuing French neuroscience experiments started on the Russian space station Mir, the Pilote experiment evaluates a new way of providing tactile and visual feedback to astronauts when operating robots. Using a virtual reality headset and a haptic joystick can recreate the feeling of pressure and touch when tele-operating a robotic arm.

The results from Pilote will improve the work space on the International Space Station and future spacecraft for lunar and martian missions, where astronauts in orbit could operate rovers on the surface.

Watch a time lapse of the session here.

Over 200 experiments are planned for Thomas and crew, with 40 European ones and 12 new experiments led by CNES.

Read an overall of Thomas’ first month in space for mission Alpha, which included work on Pilote and other science experiments, organising Dragon cargo spacecraft deliveries, Space Station maintenance, not to mention daily exercise.  

ESA astronaut Thomas Pesquet talked to French national football team player Kylian Mbappé from the International Space Station during the Alpha mission in 2021.

They talked about science, life in space, teamwork, international collaboration, performing under pressure, stress, risk, life behind the scenes and the parallels between professional sport and being an astronaut.

Thomas has said often said that sport taught him the values of team spirit and respecting team mates, and no astronaut is an island – if one profession is an example of teamwork it is being an astronaut. It takes a team to ensure they are at their best.

We provide the spacecraft, the tools and some funding. Your job? Come up with innovative experiments you want to run on it.

With ESA astronaut Thomas Pesquet in space for his first full month, let’s look at what he has been doing on the International Space Station in May.

Week in images: 31 May - 04 June 2021

Discover our week through the lens

A detailed concept for a lunar habitat, created by one of the world’s leading architectural firms with ESA technical support, is currently on show at the Biennale in Venice. Skidmore, Owings & Merrill, originator of many of the world’s tallest skyscrapers, worked with ESA on a semi-inflatable habitat design which could be part of a long-term vision for an international Moon settlement.