Carlos Frenk studies how gravity shaped the universe by creating artificial universes in this supercomputer. He gives each one a different amount of gravity. The first one he tried had too little, resulting in, well, nothing. [-------只有一句话，试试吧-------] Next, he programmed a universe with too much gravity.
订阅后不但能收到及时通知，还能看到列表哦。Gravity has saved our universe, for if gravity was weaker than it is, we would have a very boring universe in which everything would be flying apart so fast that there would be no galaxies forming.