The Earth may not be engulfed by the expanding fireball of the dying sun, which has long been assumed to be our home planet’s ultimate fate, according to scientists.
Don’t worry: This is not expected to happen for another 5 billion years, long after all life on Earth has been wiped out.
When the sun burns through all of the hydrogen in its core, it will go through two immense expansion phases: first becoming a red giant, then, when its helium is spent, an “AGB” star.
This fiery death will bring about some significant changes back here on Earth.
As the sun grows, increasing gravitational forces will pull the Earth toward it.
For the Earth and the moon, this force creates the ...
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