We already know it\u2019s chilly on the moon. A lunar night lasts 14 Earth days, and its temperatures can dip into a cold so punishing it makes the polar vortex look like a hot tub. But yesterday, China\u2019s space agency announced that the frigidity of the lunar night is even more intense than we\u2019d thought: The country\u2019s Chang\u2019e 4 spacecraft recorded an icy low of \u2013310 degrees Fahrenheit (\u2013190 degrees Celsius).