The Largest Known Things In The Universe, Ranked By Size

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...
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Earth-size stars and alien oceans: An astronomer explains the case for life around white dwarfs

The sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through nuclear fusion as it does now. The death of the sun is often thought ...
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Earth-size stars and alien oceans – an astronomer explains the case for life around white dwarfs

When you buy through links on our articles, Future and its syndication partners may earn a commission. A white dwarf throws off shells of gas like a butterfly leaving a cocoon . Here the bright dot in ...
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Earth-size stars and alien oceans – an astronomer explains the case for life around white dwarfs

(THE CONVERSATION) The Sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through nuclear fusion as it does now. The death of the Sun ...