Our home in the sky: Scenes from the International Space Station

Expedition 51 Flight Engineer Thomas Pesquet of the European Space Agency photographed Orbital ATK's Cygnus spacecraft as it approached the International Space Station, April 22, 2017.

The International Space Station is seen from the space shuttle Discovery after the undocking of the two spacecraft on March 7, 2011.

Space tourist Anousheh Ansari while enroute to the International Space Station on September 18, 2006.

A large lightning strike on Earth lights up solar panels on the International Space Station in this NASA picture taken by astronaut Kjell Lindgren released September 2, 2015.

Astronaut Robert L. Satcher Jr. works outside the International Space Station on November 19, 2009.

NASA astronaut Scott Kelly corrals the supply of fresh fruit that arrived on the Kounotori 5 H-II Transfer Vehicle (HTV-5), August 25, 2015. Visiting cargo ships often carry a small cache of fresh food for crew members aboard the International Space Station.

Astronaut Mike Hopkins as he participates in the second of two spacewalks which took place on December 24, 2013.

Astronaut Karen Nyberg looks through a window in the newly installed Kibo laboratory of the International Space Station on June 11, 2008.

Astronaut Chris Cassidy inside the Cupola using a 400mm lens on a digital still camera to photograph a target of opportunity on Earth, some 250 miles below, on June 10, 2013.

NASA astronaut Sunita Williams takes part in the third session of extravehicular activity outside the International Space Station on September 5, 2012.

U.S. astronauts Jessica Meir (L) and Christina Koch pose in the International Space Station, October 17, 2019.

The International Space Station photographed by Expedition 56 crew members from a Soyuz spacecraft after undocking, October 4, 2018.