When will the sun explode and destroy earth
Death of a Sunlike Star: How It Will Destroy Earth (Infographic)
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Christopher Manser does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment. Republish our articles for free, online or in print, under Creative Commons licence. Curious Kids is a series by The Conversation , which gives children of all ages the chance to have their questions about the world answered by experts. All questions are welcome: send them — along with your name, age and the town or city where you live — to curiouskids theconversation. These types of explosions are very bright, and very powerful. They release lots of dust into space, which is used to make more stars and planets. Our solar system was made using stuff from these explosions.
The biological and geological future of Earth can be extrapolated based upon the estimated effects of several long-term influences. These include the chemistry at Earth 's surface, the rate of cooling of the planet's interior , the gravitational interactions with other objects in the Solar System , and a steady increase in the Sun's luminosity. An uncertain factor in this extrapolation is the ongoing influence of technology introduced by humans, such as climate engineering ,  which could cause significant changes to the planet. Over time intervals of hundreds of millions of years, random celestial events pose a global risk to the biosphere , which can result in mass extinctions. These include impacts by comets or asteroids , and the possibility of a massive stellar explosion, called a supernova , within a light-year radius of the Sun. Other large-scale geological events are more predictable. Milankovitch theory predicts that the planet will continue to undergo glacial periods at least until the Quaternary glaciation comes to an end.
There are plenty of ways Earth could go. It could smash into another planet, be swallowed by a black hole, or get pummelled to death by asteroids. There's really no way to tell which doomsday scenario will be the cause of our planet's demise. But one thing is for sure - even if Earth spends the rest of its aeons escaping alien attacks, dodging space rocks, and avoiding a nuclear apocalypse, there will come a day when our own sun will eventually destroy us. This process won't be pretty, as Business Insider's video team recently illustrated when they took a look at what will happen to Earth when the sun finally does die out in a blaze of glory. And as Jillian Scudder, an astrophysicist at the University of Sussex, explained to Business Insider in an email, the day might come sooner than we think. The sun survives by burning hydrogen atoms into helium atoms in its core.
When sunlike stars run out of fuel, they explode in a series of pulses, throwing off much of their mass in the form of a giant shell of gas called a planetary nebula. What remains of the star is a superdense white dwarf star at the center. The star's planets, if any, are shattered by the blast. This could be the fate of Earth. Stars begin their life cycle as a nebula. For 50 million years, gas and dust collapses under its own gravity and heats up from friction. Once the temperature and pressure is right for nuclear fusion, the star ignites.
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The Latest Is Earth an Oddball? While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface., Samuel Hinton does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.