Term: Phobos (moon), Description: natural satellite of Mars, Question: Would you have to wear a coat when on Phobos?, Answer:Yes
Fact1: A coat is a garment used to keep a person warm. Fact2: The surface temperatures on Phobos range from about −4 °C (25 °F) on the sunlit side to −112 °C (−170 °F) on the shadowed side. 