Thursday, August 11, 2022

Scientists reveal scenario and timing of doomsday: Okzone Techno

Jakarta , Doomsday Often associated with the collision of a very large asteroid or comet, which would kill many or all creatures on Earth.

Compiled from ScienceFocus, Wednesday (20/7/2022), but the collision of an asteroid or comet with Earth is not considered to have the energy to destroy Earth.

This was given by Dr Alastair Gunn, radio astronomy expert at the Jodrell Banks Center for Astrophysics, University of Manchester. In fact, a powerful supernova explosion would not even occur in a few light years.

However, orbital instability in the Solar System could eventually lead to a catastrophic collision between Earth and one of the other terrestrial planets – Mercury, Venus or Mars.

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However, according to Alastair, the probability of this happening in the next five billion years is only one percent.

So, what is the most likely scenario for a complete destruction of Earth or an apocalypse? Swallowed by the Sun as it turns into a ‘red giant’ star.

When the Sun’s thermonuclear fuel, hydrogen, is depleted in its core, its outer shell will begin to expand. At this stage of evolution, the Sun will lose a significant amount of mass, which means that Earth’s orbit will also expand.

However, current theory suggests that the new orbit will not be large enough to allow Earth to avoid interaction with the Sun’s expanding lower atmosphere.

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This means that the Earth would still be vaporized by a rising star.

“But don’t worry, Earth’s scorching destruction is still a long way off: about 7.59 billion years into the future, by some calculations,” Alastair said,

According to him, if Earth somehow managed to survive and continue to orbit the bloated red giant Sun, the decay of Earth’s natural orbit would mean that it would merge into the remnants of the dead Sun.

“Eventually, this fate will happen in about 100 billion billion years. It’s not bad that the universe is only 13 billion years old.”

Nation World News Desk
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