The distant future solar system is safe from a collision with a runaway dead star.

Last year, researchers examined the trajectory of a white dwarf star called WD 0810-353 with the Gaia space telescope and predicted that it would encounter our solar system in about 29,000 years. Although this may seem like a long time in human terms, it is a relatively short period of time from a cosmic perspective. For example, the Sun will not run out of hydrogen and become a red giant for another 5 billion years, destroying Earth and the inner planets.

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