How and when our sun will die is a question that creates a scientific debate.
One study predicted that humans would die before sunset.
When does our sun die?
According to a study in the journal Natural astronomyThe sun will die in about 10 billion years.
Stars, like the sun, begin to ‘die’ when they burn up all their hydrogen fuel.
At this point, they expand and become a very large type of star called the red giant.
This phase is thought to occur in our Sun in about five billion years.
The sun is predicted to be very wide, swallowing up Mars and Earth as it grows into a red giant.
It is thought that humans would have died before we could leave the earth and survive elsewhere.
A 2018 study indicates that at this rate, humans have only about one billion years left.
This is because the Sun is predicted to receive 10% of its brightness every billion years, which could cause some major problems for life on Earth.
Such an increase would evaporate oceans and water sources.
The study suggests that when the Sun completes its red giant phase, it will turn into a white dwarf and then end up as a planetary nebula.
This means that it ends up as a glowing shell that expands into hot gas.
Nebulae like this can be observed throughout the galaxy.
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