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.
The atomic bomb (A bomb), created via the Manhattan Project, was first exploded at the top secret base of Alamogordo on July 16th, 1945. A reconstruction of âLittle Boyâ at the Imperial War Museum. The bomb that dropped on Hiroshima was code-named âLittle Boyâ.