Energy Before Matter

Sep 17, 2014 ... I- I don't understand how we know that the big bang is really the beginning. Like, what happened before the big bang? Hank: Well. Okay. Uh... Oct 24, 2019 ... Kaiser and his colleagues attempted to work out what the earliest phases of reheating — that bridge interval at the end of cosmic inflation and ... Apr 22, 2020 ... In this scenario, the horizon is defined as how far observers can see before the bounce occurs. “The distance that light can propagate before ... Oct 22, 2019 ... It might arise from a pre-existing state that does have a singularity, it might have existed in its inflationary form forever, or the Universe ... This episode of the science series explores a dizzying world of cosmic bounces, rips and multiple universes, and finds out what happened before the big bang. Aug 19, 2024 ... According to the once-popular idea of the cyclic (or oscillatory) Universe, the current expansion of space could one day revert into a ... Oct 22, 2024 ... One second after the big bang, the universe consisted of an ... They concluded this could only happen if the supernovae had moved ... May 22, 2001 ... Review of various imaginative theories offered by cosmologists to explain what might have existed before birth of universe; drawings (M) Aug 8, 2019 ... It's going to be very exciting to see what it will reveal about dark matter and if its findings can be used to peak into the times before the ... Jun 9, 2021 ... How do we know? We have found the radiation left over from when the first atoms formed (the cosmic microwave background radiation) and ...