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Earth and the Moon will be most likely be destroyed by falling into the Sun, just before the Sun reaches the largest of its red giant phase when it will be 256 times larger than it is now. Before the final collision, the Moon possibly spirals below Earth's Roche limit, breaking into a ring of debris, most of which falls to Earth's surface. [216 ...
The ablation and vaporization caused by Earth's fall on a decaying trajectory towards the Sun may remove Earth's mantle, leaving just the core, which will finally be destroyed after at most 200 years. [102] [103] Earth's sole legacy will be a very slight increase (0.01%) of the solar metallicity following this event. [104]: IIC
The Sun reaches the top of the red-giant branch of the Hertzsprung–Russell diagram, achieving its maximum radius of 256 times the present-day value. [118] In the process, Mercury, Venus and Earth are likely destroyed. [114] 8 billion The Sun becomes a carbon–oxygen white dwarf with about 54.05% of its present mass.
The Earth is destroyed by the Sun at "high noon", though animals and plants come to an end by 5:00 am, meaning that the time that Earth can remain habitable to animals is very short, lasting only just 1 billion years, with the present day being the halfway point through that relatively short time.
The researchers state that Earth has seen at least five periods of tectonic convergent cycles that resulted in continental assembly. Those coincide with large variations in global temperature .
Nuclear war is an often-predicted cause of the extinction of humankind. [1]Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid impact or large-scale volcanism, or via anthropogenic destruction (self-extinction), for example by sub-replacement fertility.
Marchers holding a banner with the words "Youth vs Apocalypse". San Francisco Youth Climate Strike – March 15, 2019. A climate apocalypse is a term used to denote a predicted scenario involving the global collapse of human civilization due to climate change.
Even though the Sun won't destroy Earth until December 31, all animals will die out by the end of May. Use of the geologic calendar as a conceptual aid dates back at least to the mid 20th century, for example in Richard Carrington's 1956 book A Guide to Earth History [3] and Gove Hambidge's 1941 chapter in the book Climate and Man. [4]