What do you think will happen to the Earth in a couple billion years from now? As our sun's core starts to burn out, the size of sun will get larger and larger and it will become the red giant like all other dying stars.
What exactly will happen to the Earth? Will it be swallowed into sun? Will it go into a violent tug war with their own star? Will it break up into pieces? Will it escape sun's mighty gravitational force?
Will it actually occur in about 7.59 billion years from now? The calculation may be accurate.
Below is a link to an interesting New York Times article.
Kissing the Earth Goodbye in About 7.59 Billion Years