NASA Astronaut Scott Kelly shakes hands with Kateryna Iorhu, a 13-year-old girl who was injured and lost her mother in a Russian missile on a railway station in the Eastern Ukrainian city of Kramatorsk, during his visit to the Okhmatdyt Specialised Children's hospital in Kyiv, Ukraine November 27, 2022. REUTERS/Ruslan Kaniuka 

NASA Astronaut Scott Kelly poses for a picture with Kateryna Iorhu, a 13-year-old girl who was injured and lost her mother in a Russian missile on a railway station in the Eastern Ukrainian city of Kramatorsk, during his visit to the Okhmatdyt Specialised Children's hospital in Kyiv, Ukraine November 27, 2022. REUTERS/Ruslan Kaniuka 

NASA Astronaut Scott Kelly poses for a picture with patients during his visit to the Okhmatdyt Specialised Children's hospital, amid Russia's attack on Ukraine, in Kyiv, Ukraine November 27, 2022. REUTERS/Ruslan Kaniuka 

NASA Astronaut Scott Kelly shakes hand with a patient during his visit to the Okhmatdyt Specialised Children's hospital, amid Russia's attack on Ukraine, in Kyiv, Ukraine November 27, 2022. REUTERS/Ruslan Kaniuka 

NASA Astronaut Scott Kelly speaks with a patient during his visit to the Okhmatdyt Specialised Children's hospital, amid Russia's attack on Ukraine, in Kyiv, Ukraine November 27, 2022. REUTERS/Ruslan Kaniuka 

Astronaut Snoopy balloon flies during the 96th Macy's Thanksgiving Day Parade in Manhattan, New York City, U.S., November 24, 2022. REUTERS/Brendan McDermid 

Astronaut Snoopy balloon flies during the 96th Macy's Thanksgiving Day Parade in Manhattan, New York City, U.S., November 24, 2022. REUTERS/Andrew Kelly 

Astronaut Snoopy balloon flies during the 96th Macy's Thanksgiving Day Parade in Manhattan, New York City, U.S., November 24, 2022. REUTERS/Brendan McDermid 

Astronaut Snoopy balloon flies during the 96th Macy's Thanksgiving Day Parade in Manhattan, New York City, U.S., November 24, 2022. REUTERS/Brendan McDermid 

Astronaut Snoopy balloon flies during the 96th Macy's Thanksgiving Day Parade in Manhattan, New York City, U.S., November 24, 2022. REUTERS/Brendan McDermid 

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 

Members of ESA's new class of astronauts Sophie Adenot and Arnaud Prost pose with French Economy Minister Bruno Le Maire, astronaut Thomas Pesquet and French Higher Education and Research Minister Sylvie Retailleau during the 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 Sophie Adenot and Arnaud Prost pose with French astronaut Thomas Pesquet during the 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 Sophie Adenot and Arnaud Prost pose with French astronaut Thomas Pesquet during the 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 Sophie Adenot and Arnaud Prost pose with French astronaut Thomas Pesquet during the 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 Sophie Adenot and Arnaud Prost pose with French astronaut Thomas Pesquet during the 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 Meganne Christian, John McFall and Rosemary Coogan pose with astronaut Major Tim Peake during the 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 Meganne Christian, John McFall and Rosemary Coogan pose during the 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 Meganne Christian, John McFall and Rosemary Coogan pose with UK Minister of State in the Department for Business, Energy and Industrial Strategy George Freeman during the 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 

A person takes a photograph in an astronaut stand during the Web Summit, Europe's largest technology conference, in Lisbon, Portugal, November 2, 2022. REUTERS/Pedro Nunes 

Italian ESA astronaut Samantha Cristoforetti disembarks a plane upon her arrival at the Cologne-Bonn airport following her mission and so-called "Direct Return" from the International Space Station (ISS), at the European Astronaut Center (EAC), near Cologne, Germany, October 15, 2022. REUTERS/Benjamin Westhoff 

Italian ESA astronaut Samantha Cristoforetti reacts upon her arrival at the Cologne-Bonn airport following her mission and so-called "Direct Return" from the International Space Station (ISS), at the European Astronaut Center (EAC), near Cologne, Germany, October 15, 2022. REUTERS/Benjamin Westhoff 

Italian ESA astronaut Samantha Cristoforetti gestures upon her arrival at the Cologne-Bonn airport following her mission and so-called "Direct Return" from the International Space Station (ISS), at the European Astronaut Center (EAC), near Cologne, Germany, October 15, 2022. REUTERS/Benjamin Westhoff