That portion of a policy's premium that applies to the expired portion of the policy. Although insurance premiums are often paid in advance, insurers typically earn the premium at an even rate throughout the policy term. More Risk Finance and Captives Information from IRMI.
Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on January 31, 1958. A quick response to the Soviet Union's launch of Sputnik 1, Explorer 1's success marked the beginning of the U.S. Space Age.
Mystery has surrounded the death of Yuri Gagarin, the first man to journey into space. Yuri Gagarin made history in 1961 when, aged just 27, he became the first man to journey into space. His single Earth orbit on April 12 lasted 108 minutes and was one of the Soviet Union's most enduring Cold War victories.