But what happens to the universe at the end of the story? And what does it mean for us now?ĭr. With the Big Bang, it expanded from a state of unimaginable density to an all-encompassing cosmic fireball to a simmering fluid of matter and energy, laying down the seeds for everything from black holes to one rocky planet orbiting a star near the edge of a spiral galaxy that happened to develop life as we know it. Mack as she speculates about five different ways the universe might meet its maker in the far, far future (or maybe at any moment!), based on all the clues we’ve gleaned about its past and present: In The End of Everything (Astrophysically Speaking), join Dr. That’s why she’s penned a whole book about its ultimate cosmic demise! Katherine Mack to you, pal! (he writes to himself, not at all losing his grip on reality) - is nothing if not an optimist about the universe. Astrophysicist Katie Mack - hey, that’s Dr.
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