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What will happen to the Earth when the Sun dies?

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The Sun, the central celestial body of our solar system, is not eternal.

While it is unlikely that humanity will witness the Sun’s end, the question of what will happen to Earth when the Sun eventually dies is a subject of scientific curiosity. The Sun’s death could result in Earth becoming a chunk of iron or possibly being entirely consumed.

Stars like the Sun produce heat and light through hydrogen fusion, which also generates helium. As stars age, helium accumulates in their cores, making hydrogen fusion increasingly difficult and leading to a gradual warming of the core. This process will eventually result in the Sun overheating, affecting all celestial bodies in its vicinity, including Earth.

As the Sun’s temperature rises, Earth will experience extreme heat, leading to the evaporation of oceans and cessation of gaseous flows in its crust. Life, as we know it, will find no refuge on the planet. But the Sun’s transformation doesn’t stop there. Its core will expand, causing the star to swell and shed its outer layers. At this point, it will turn into a red giant, potentially consuming Earth entirely or melting its atmosphere, leaving behind an iron object.

The Sun’s final stages involve becoming a more powerful and brighter star after collapsing completely, a phenomenon experts refer to as “cosmic blinking.” This cycle will repeat until the Sun becomes an unstable star, eventually losing its mass and transforming into other cosmic forms.

Understanding the Sun’s life cycle and its impact on Earth is crucial for grasping the broader aspects of cosmic evolution. While the Sun’s end is about five billion years away, the insights gained from studying this process enrich our understanding of the universe and the transient nature of celestial bodies.

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5 COMMENTS

  1. ……”it is unlikely that humanity will witness the Sun’s end”……

    I wouldn’t be too sure. History suggests that there’ll still be throngs of religious nutters running up mountains to be the first to meet God on His next visit.

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  2. The fusion model is broken, the big bang is bullshit, the sun is a plasma generator formed along a z pinch, like most other stars, pure electric energy, but one day it will nova as part of its long term cycle, on that day kiss your ass goodbye

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