What would happen if humans still existed when the Sun starts to age into a red giant?
What is the human race going to do when the sun expands into a red giant?
What would happen if a red giant with 700x the mass of the sun were to start rotating at the speed of light just as it started collapsing? How does a star become a red giant? Is the sun expanding? What will the sun do to the earth in 1 billion years? What would happen if Earth was as big as the Sun? What is the eventual and ultimate fate of our sun? What will happen if our Sun splits in to two? How powerful is the sun? How long will our sun's Red Giant stage last? What would happen if the sun exploded? What is the red star in the sky? What would happen if the Earth was bigger than the Sun? What would happen if the earth was the size of the sun? Is the sun, and are other stars, in motion? Why is the sun big? What is the mass of our sun? What's the ultimate fate of the sun? Will we throw an H Bomb into the sun to prevent it from becoming a red giant? Why is the Sun so big? Why does the sun become large at the time of sunset? How big is the sun? What happens to a planetary system when its sun dies? What happen when earth is near to the sun and how? Could the Earth become a Sun? If the universe is expanding, why is the Earth moving towards the Sun? What is mass of the sun? What would happen if the earth stopped to move around the sun? What is the mass of the Sun? Do stars revolve around the sun in our solar system? Could humans survive without the sun?