If the sun goes out today, What will be happen? How much time will be we completely destroyed?
"The Sun is a big star and the center of our solar system. Everything all planets in our solar system revolves around the Sun. It is not impossible to understand fully how much crucial the Sun is to life on Earth and the very existence of all the other planets around us. In 5 billion years, the Sun will exhaust the hydrogen in its core and become a red giant. Over 7 to 8 billion years, the Sun will shed its outer layers in gradual stages and become a white dwarf. The Sun will completely extinguish and become a black dwarf in trillions of years."
But what if the sun comes out today?
The exact consequences of such an event are unknown, but it’s clear that we, as inhabitants of Earth, would quickly find ourselves adrift in the cosmos! While no one can predict the outcome with certainty, scientists suggest that within a week, the average global surface temperature could plummet below 0º F. You've probably withstood such temperatures during cold winter months before, so what's the big deal?
If the sun disappears suddenly, total darkness will be observed on Earth after 8 minutes – the time it take for its light to reach us. If darkness was the only factor, it would take a while for most life to vanish from Earth. However, there would also be a fall in temperature that would more rapidly make survival difficult.
Since the sun is the centre of gravity in our solar system, so if the sun were to vanish, the gravitational stability of our solar system would be severely disrupted, leading to chaos among the remaining celestial bodies. Planets and other objects would no longer orbit a central mass, resulting in erratic paths and potential collisions. Over time, the system might settle into a new equilibrium, possibly with Jupiter emerging as the new center of gravity. Alternatively, a giant planet could form from the remnants of Jupiter colliding with other massive objects, creating a new gravitational anchor around which the remaining bodies could begin to stabilize in their orbits once more.
The consequences for Earth will be catastrophic and will occur in several stages:
Immediately after extinction:
Light: When the last light reaches Earth, we will not notice the extinction of the Sun for 8 minutes and 20 seconds. Then the Earth will be completely immersed in darkness, except for artificial lights, fire and stars.
Days after extinction:
Temperature: Without the Sun's heat, Earth's temperature would begin to drop rapidly. Within a few days the Earth's surface will become extremely cold, even below zero.
One week after extinction:
Temperature: After a week, the average temperature on Earth will drop several degrees below zero. The oceans will start freezing on the surface.
Photosynthesis: With plants unable to photosynthesize, they will quickly die, causing the terrestrial food chain to collapse.
A few months after extinction:
Temperature: Within a few months, the surface temperature will reach 200 degrees below zero. The oceans will freeze to a depth of several dozen meters. It could take much longer, potentially hundreds of years, for the ice sheet to grow and eventually freeze over the entire ocean.
Atmosphere: Earth's atmosphere will begin to condense and freeze, forming a layer of ice on the ground. At these extreme temperatures most atmospheric gases will become liquid or solid.
In the long run:
Human survival: Life on the surface would be impossible. Facilities with energy and food reserves resistant to atmospheric pressure reduction may allow small groups of humans to survive for some time. In the Cheyenne Mountain nuclear bunker, humans could survive for several months, supported by its advanced oxygen production and air filtration systems, food and water reserves, heating systems, generators, and fuel supplies.
Ecosystem: Most life forms, including plants, animals, and surface microorganisms, will disappear. Only extremophiles can survive in extreme environments such as deep-sea hydrothermal vents.
Conclusion:
The Earth will soon become uninhabitable due to the loss of sunlight and heat. Humans and most other life forms would die out within a few weeks to a few months due to the rapid cooling and collapse of ecosystems dependent on photosynthesis. The only life forms likely to survive for long periods of time will be those that do not require sunlight, such as organisms living in the depths of the ocean
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