Astronomers see Dead Planets Crashing Into Dead Stars

When our Sun dies, the Earth will die with it. As a star of middling mass, the Sun will end its life by swelling into a red giant star. After a last cosmic moment of brilliance, the remnant core of the Sun will collapse into a white dwarf. This won’t occur for billions of years, but the mass and composition of the Sun means a white dwarf is its inevitable fate.

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When the Sun Dies, Earth’s Magnetosphere won’t Provide Protection any More

The Earth’s magnetic field is an underappreciated wonder of the natural world.  It protects our atmosphere, provides some of the most breathtaking scenery when it creates auroras, and allows people to navigate from one side of the world to the other.  Unfortunately, it won’t be able to save us from the death of the Sun though.  At least that’s the finding of some new research by Dr. Dimitri Veras of the University of Warwick and Dr. Aline Vidotto of Trinity College Dublin.

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