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.
The history of women in space is about to turn 50 years old. Sunday (June 16) marks the 50th anniversary of Soviet cosmonaut Valentina Tereshkova's landmark 1963 flight, which launched her into history as the first woman to fly to space â only two years after Yuri Gagarin performed the first spaceflight ever in 1961.