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 phrase Atomic Age was coined by William L. Laurence, a New York Times journalist who became the official journalist for the Manhattan Project which developed the first nuclear weapons. 1982 â The documentary film The Atomic Cafe, detailing society's attitudes toward the atomic bomb in the early Atomic Age, debuted to widespread acclaim. 2  1982 â Jonathan Schell âs book Fate of the Earth, about the consequences of nuclear war, is published.