The International Space Station is seen in this third of a second exposure passing between Saturn, top, and Jupiter, bottom, as it flies over Alexandria, Virginia, Friday, Dec. 11, 2020. Onboard are: NASA astronauts Kate Rubins, Shannon Walker, Victor Glover, Mike Hopkins; Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi; Russian cosmonauts Sergey Ryzhikov, and Sergey Kud-Sverchkov. Saturn and Jupiter are drawing closer to each other in the sky as they head towards a “great conjunction” on December 21, where the two giant planets will appear a tenth of a degree apart. Photo Credit: (NASA/Joel Kowsky)

Jupiter, left, and Saturn, right, are seen after sunset from Alexandria, Va., Tuesday, Dec. 22, 2020. The two planets are now slowly separating from each other in the sky, after appearing a tenth of a degree apart during the "great conjunction" on December 21. Photo Credit: (NASA/Joel Kowsky)

The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the moon at roughly five miles per second Tuesday, Jan. 30, 2018, Alexandria, Virginia. Onboard are; NASA astronauts Joe Acaba, Mark Vande Hei, and Scott Tingle: Russian Cosmonauts Alexander Misurkin and Anton Shkaplerov, and Japanese astronaut Norishige Kanai. Photo Credit: (NASA/Bill Ingalls)

The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the moon at roughly five miles per second Tuesday, Jan. 30, 2018, Alexandria, Virginia. Onboard are; NASA astronauts Joe Acaba, Mark Vande Hei, and Scott Tingle: Russian Cosmonauts Alexander Misurkin and Anton Shkaplerov, and Japanese astronaut Norishige Kanai. Photo Credit: (NASA/Bill Ingalls)