Stellar murder: when stars destroy and eat their own planets

By Or Graur, Associate Professor of Astrophysics, University of Portsmouth

Our Sun is both our best friend and our worst enemy. On the one hand, we owe our very existence to our star. Earth and the other planets in the Solar System formed out of the same cloud of gas and dust as the Sun.

And without its light, there could be no life on this planet. On the other hand, there will come a day when the Sun ends all life on Earth and, eventually, destroys Earth itself.

The risks that stars can pose to their planets are highlighted by a new study published in Nature. The…

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