关于这张图
NASA's Cold Operable Lunar Deployable Arm (COLDArm) robotic arm system reaches out from a lander on the Moon and scoops up regolith (broken rock and dust). Managed by NASA's Jet Propulsion Laboratory in Southern California, COLDArm is designed to operate during lunar night, a period that lasts about 14 Earth days. It can function in temperatures as cold as minus 280 degrees Fahrenheit (minus 173 degrees Celsius). Frigid temperatures during lunar night would stymie the arms on current spacecraft, which must rely on energy-consuming heaters to stay warm. To operate in the cold, the 6-foot-6-in…