The truth that our Universe’s growth is accelerating implies that darkish vitality exists. However might or not it’s even weirder than we’ve imagined?
Our Universe, as we understood it, underwent a radical change on the finish of the twentieth century. We had lengthy assumed — per the proof we had, thoughts you — that our Universe was collaborating an ideal cosmic race that begun again initially of the new Large Bang. On the one hand, the Universe was born quickly increasing, however then again, the pressure of gravity labored to gradual the growth down and pull issues again collectively. For many of the twentieth century, the large query for cosmology was, “which impulse will win out in the long run: gravitation or growth?” Then, in 1998, we received our stunning reply: it’ll broaden ceaselessly, however that’s as a result of there’s a brand new sort of vitality that we didn’t anticipate, darkish vitality.
Within the time since, we’ve dominated out various explanations and measured darkish vitality’s properties very nicely, however many questions nonetheless stay. Specifically, regardless of all of the ways in which our information of cosmology has modified within the twenty first century, we nonetheless don’t know what darkish vitality is, or what its properties actually are. Might or not it’s even stranger than most of us…
