On February 9, 1959, the R-7 Semyorka, the world’s first intercontinental ballistic missile (ICBM) was ready for operations in Plesetsk, Soviet Union (now Russia).The R-7 was a Soviet victory in the Cold War. With the ICBM, the Soviets had a missile that could deliver its payload (bomb) up to 8,800 kilometers (5,500 miles) away, to within 5 kilometers (3 miles) of the target. The R-7 was capable of carrying a single nuclear warhead, with an energy yield the equivalent of three million tons of TNT.
Term Part of Speech Definition Encyclopedic Entry artificial satellite Noun
object launched into orbit.
Cold War Noun
(1947-1991) conflict between the Soviet Union (and its allies) and the United States (and its allies). The two sides never confronted each other directly.
intercontinental ballistic missile (ICBM) Noun
projectile launched into sub-orbit above the Earth and carrying nuclear weapons.
instrument used to view very small objects by making them appear larger.
nuclear weapon Noun
explosive device that draws power from the splitting and combining of atomic nuclei.
work or work processes.
path of one object around a more massive object.
Soviet Union Noun
(1922-1991) large northern Eurasian nation that had a communist government. Also called the Union of Soviet Socialist Republics, or the USSR.