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The biological and geological future of Earth can be extrapolated based on the estimated effects of several long-term influences. These include the chemistry at Earth 's surface, the cooling rate of the planet's interior, the gravitational interactions with other objects in the Solar System, and a steady increase in the Sun's luminosity.
The Earth and Moon are very likely destroyed by falling into the Sun, just before the Sun reaches the top of its red giant phase. [112] [note 3] Before the final collision, the Moon possibly spirals below Earth's Roche limit, breaking into a ring of debris, most of which falls to the Earth's surface. [114]
The world was to be destroyed by terrible flooding on this date, claimed this leader of a UFO cult called Brotherhood of the Seven Rays. The fallout of the group after the prediction failed was the basis for the 1956 book When Prophecy Fails. [111] 22 Apr 1959 Florence Houteff
Doomsday device. Many hypothetical doomsday devices are based on salted hydrogen bombs creating large amounts of nuclear fallout. A doomsday device is a hypothetical construction — usually a weapon or weapons system — which could destroy all life on a planet, particularly Earth, or destroy the planet itself, bringing "doomsday", a term used ...
The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated. Based on available observational evidence, deciding the fate and evolution of the universe has become a valid cosmological question, being ...
Nuclear holocaust. Mushroom cloud from the 1954 explosion of Castle Bravo, the largest nuclear weapon detonated by the U.S. A nuclear holocaust, also known as a nuclear apocalypse, nuclear annihilation, nuclear armageddon, or atomic holocaust, is a theoretical scenario where the mass detonation of nuclear weapons causes widespread destruction ...
Technology scouting. v. t. e. A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [ 2] even endangering or destroying modern civilization. [ 3] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known ...
A climate apocalypse is a term used to denote a predicted scenario involving the global collapse of human civilization due to climate change. Such collapse could theoretically arrive through a set of interrelated concurrent factors such as famine, extreme weather, war and conflict, and disease. [ 1] There are many similar terms in use such as ...