Director-General of the European Space Agency (ESA) Josef Aschbacher smiles as he attends an interview with Reuters during the World Economic Forum (WEF) in Davos, Switzerland, January 18, 2023. REUTERS/Arnd Wiegmann 

ESA astronaut Matthias Maurer sits as Director-General of the European Space Agency (ESA) Josef Aschbacher gestures while they have an interview with Reuters during the World Economic Forum (WEF) in Davos, Switzerland, January 18, 2023. REUTERS/Arnd Wiegmann 

Director-General of the European Space Agency (ESA) Josef Aschbacher looks on as ESA astronaut Matthias Maurer gestures while they have an interview with Reuters during the World Economic Forum (WEF) in Davos, Switzerland, January 18, 2023. REUTERS/Arnd Wiegmann 

Director-General of the European Space Agency (ESA) Josef Aschbacher and ESA astronaut Matthias Maurer pose for a picture after an interview with Reuters during the World Economic Forum (WEF) in Davos, Switzerland, January 18, 2023. REUTERS/Arnd Wiegmann 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart and Deputy CEO of UK Space Agency Ian Annett take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart, Deputy CEO of UK Space Agency Ian Annett and Head of Spaceport Cornwall Melissa Thorpe take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

CEO of Virgin Orbit Dan Hart and Deputy CEO of UK Space Agency Ian Annett take part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

Deputy CEO of UK Space Agency, Ian Annett takes part in a news conference at Newquay Airport, ahead of UK's First launch of Virgin Orbit's LauncherOne rocket, in Newquay, Britain, January 8, 2023. REUTERS/Henry Nicholls 

The logo of the European Space Agency (ESA) is seen during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

The logo of the European Space Agency (ESA) is seen during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher speaks during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

French Economy Minister Bruno Le Maire speaks during the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

European Space Agency (ESA) General Director Josef Aschbacher poses with members of ESA's new class of astronauts during the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Raphael Liegeois attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Marco Alain Sieber attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Sophie Adenot attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Sophie Adenot attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Rosemary Coogan attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts Rosemary Coogan attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts John McFall attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Members of ESA's new class of astronauts Anthea Comellini, Rosemary Coogan and Ales Svoboda attend the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Member of ESA's new class of astronauts John McFall attends the European Space Agency (ESA) Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) takes part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) takes part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote, in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez TPX IMAGES OF THE DAY 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Alexander Gerst of the European Space Agency (ESA) and planetary geologist Pierre-Antoine Tesson take part in the astronaut geology training for future missions to Moon and Mars, on the island of Lanzarote in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) during the news conference of the astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) during the news conference of the astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) attends the news conference of the Astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) attends the news conference of the astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) attends the news conference of the astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

German astronaut Alexander Gerst of the European Space Agency (ESA) attends the news conference of the astronaut geology training on the island of Lanzarote for future missions to Moon and Mars in Tinajo, Spain, November 10, 2022. REUTERS/Borja Suarez 

Visitors walk past a model of a rocket with logos of ArianeGroup and the ESA (European Space Agency) at the entrance of the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), points at the Space Rider during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), points at a poster of the European Service Module for the Lunar Gateway space station during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), poses during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), poses during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), poses during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Josef Aschbacher, Director General of European Space Agency (ESA), poses during an interview at the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 20, 2022. REUTERS/Pascal Rossignol 

Logos of ArianeGroup and the ESA (European Space Agency) are seen on a rocket model at the entrance of the International Astronautical Congress (IAC) space exploration conference in Paris, France, September 19, 2022. REUTERS/Christian Hartmann