They can become cold quickly as they lose body heat from the large portions of their body that is exposed to the weather such as their feet and face. (boulderhumane.org)
Also, the lunar night is long — about two weeks — so it can become cold enough for breakdown to occur in other areas on the moon, according to the team. (sciencedaily.com)
When they were reduced, the global climate became colder. (skepticalscience.com)