Question

if sun will become our earth then what will happen​

Answer 1

Answer:

we will not be able to survive

Answer 2

Answer:

The luminosity of the Sun will steadily increase, resulting in a rise in the solar radiation reaching the Earth. ... In about one billion years, the solar luminosity will be 10% higher than at present. This will cause the atmosphere to become a "moist greenhouse", resulting in a runaway evaporation of the oceans.

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