用cosmic expansion造句子,“cosmic expansion”造句
來源:國語幫 1.61W
2、They are unstable and gradually decay, with much the same effect as graviton leakage: gravitons traveling for long distances vanish, gravity gets weaker, and cosmic expansion accelerates.
1、Ambitious future observers might also send out probes that escape the supergalaxy and could serve as reference points for detecting a possible cosmic expansion.