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Recently I’ve been taking little mental-health breaks from the traumatic news around the world by watching YouTube videos about the solar system, about stars, about the natural universe. Guided by a soothing narrator and expert astronomers, I take serene trips through outer space to, say, Phobos, one of the moons of Mars, which has only thirty to fifty million years of life left, before the tidal forces it shares with its parent planet tear it into countless pieces. Mars will one day be adorned with a new planetary ring.
I also watched a video illustrating the formation sixty-six million years ago of the Chicxulub [CHICK-shoo-loob] Crater, when an asteroid slammed into what we now call the Yucatán Peninsula, ending the era of the dinosaurs. I marvel at the speed of death and destruction that circled the globe in the minutes and hours after that catastrophe.
But maybe that’s a little on the nose, that particular video. I don’t necessarily want to imagine the world as we know it coming to a violent end. And yet even that video offers a strange sort of consolation: after all, the biosphere recovered quite well in the following eons, and here we are. Our home planet has seen a lot of ecological “reboots,” if you can call them that, over millions of years. We humans ironically may not survive the Anthropocene Era, the age of the planet we’ve named after ourselves, Earth’s most ingenious and most destructive species. But whether or not we survive our own dubious adventures, the planet itself will be fine.