Two of Jupiter's satellites, Europa and Ganymede, pull Io into an elliptical orbit around Jupiter. Differences in the strength of Jupiter's gravitational pull as the distance between the planet and Io varies causes slight changes in Io's shape. Scientists believe that Io heats up internally when it changes shape.
The Atomic Age, also known as the Atomic Era, is the period of history following the detonation of the first nuclear (atomic) bomb, Trinity, on July 16, 1945 during World War II.
By Mark Weber. On August 6, 1945, the world dramatically entered the atomic age: without either warning or precedent, an American plane dropped a single nuclear bomb on the Japanese city of Hiroshima.The explosion utterly destroyed more than four square miles of the city center.n August 6, 1945, the world dramatically entered the atomic age: without either warning or precedent, an American plane dropped a single nuclear bomb on the Japanese city of Hiroshima.