![]() Everything will be so far away that the light from distant stars and galaxies can never reach them. In the very distant future, intelligent civilizations will look into the sky and think they are alone. As this happens, the heat is dispersed throughout space while galaxies, stars, and planets are all pulled farther and farther from one another. In this scenario, the universe continues to expand at an ever-increasing speed. The Big FreezeĪnother popular scenario for the end of the universe that relies on deciphering the true nature of dark energy is the Big Freeze (also referred to as Heat Death or the Big Chill). If Earth did manage to survive intact (spoiler alert: it won’t), the planet would explode about 30 minutes before the grand finale. The Milky Way itself is just one lonesome galaxy out of trillions present within the observable Universe, which extends in all directions for some 46 billion light-years. ![]() ![]() According to Robert Caldwell, a theoretical physicist from Dartmouth College, if the Big Rip won out over all of the apocalyptic scenarios put forth in this piece, the event would occur in some 22 billion years, when the Sun has already transitioned from a main-sequence star to a red-giant (incinerating Earth as a result) and then into a white dwarf.
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