NASA astronaut Serena Auñon-Chancellor's niece, Anna Sophia, listens as Jason Crusan, director, NASA Advanced Exploration Systems (AES) Division, speaks with the STEM in 30 team Wednesday, June 27, 2018 at Smithsonian's National Air and Space Museum in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Serena Auñon-Chancellor's niece, Anna Sophia, surprises her by asking her a question during a live downlink with the International Space Station (ISS), Wednesday, June 27, 2018 at Smithsonian's National Air and Space Museum in Washington. Serena is part of the Expedition 56/57 crew that launched to the ISS June 6, 2018. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Serena Auñon-Chancellor's niece, Anna Sophia, surprises her by asking her a question during a live downlink with the International Space Station (ISS), Wednesday, June 27, 2018 at Smithsonian's National Air and Space Museum in Washington. Serena is part of the Expedition 56/57 crew that launched to the ISS June 6, 2018. Photo Credit: (NASA/Aubrey Gemignani)