NASA Science Mission Directorate Astrophysicist Dominic Bedford, right, delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Program Executive Rosa Avalos-Warren delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Program Executive Rosa Avalos-Warren delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Astrophysicist Dominic Bedford, right, delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Program Executive Rosa Avalos-Warren delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Astrophysicist Dominic Bedford, right, delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Astrophysicist Dominic Bedford, right, delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Program Executive Rosa Avalos-Warren delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Science Mission Directorate Program Executive Rosa Avalos-Warren, left, delivers remarks during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

Guests ask questions following presentations by NASA Science Mission Directorate Program Executive Rosa Avalos-Warren and NASA Science Mission Directorate Astrophysicist Dominic Bedford during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

Guests ask questions following presentations by NASA Science Mission Directorate Program Executive Rosa Avalos-Warren and NASA Science Mission Directorate Astrophysicist Dominic Bedford during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

Guests receive educational materials following presentations by NASA Science Mission Directorate Program Executive Rosa Avalos-Warren and NASA Science Mission Directorate Astrophysicist Dominic Bedford during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

Guests ask questions following presentations by NASA Science Mission Directorate Program Executive Rosa Avalos-Warren and NASA Science Mission Directorate Astrophysicist Dominic Bedford during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

Guests are seen during presentations by NASA Science Mission Directorate Program Executive Rosa Avalos-Warren and NASA Science Mission Directorate Astrophysicist Dominic Bedford during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)

NASA Office of Communications Agency Lead Lisa Frazier, center, introduces NASA Science Mission Directorate Program Executive Rosa Avalos-Warren, left, and NASA Science Mission Directorate Astrophysicist Dominic Bedford, right, prior to their presentations during the Library of Congress National Book Festival Saturday, Aug. 24, 2024, at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Keegan Barber)