The Strategic Defense Initiative (SDI), also known as Star Wars, was a program first initiated on March 23, 1983 under President Ronald Reagan. The intent of this program was to develop a sophisticated anti-ballistic missile system in order to prevent missile attacks from other countries, specifically the Soviet Union.
It rarely snows when the temperature drops below zero degrees Fahrenheit (-18 degrees Celsius). But snow does sometimes fall even when it’s that cold. Snow can fall even in the coldest place on Earth, Antarctica, at temperatures well below zero. It turns out that moisture is more important than temperature.