This age estimate is derived from the universe’s expansion rate by measuring the redshift of spectral lines in the light emitted by distant galaxies. An earlier explanation of the redshift was based on the hyp
How a great enigma of astronomy was solvedAstronomers have determined that our universe is 13.7 billion years old. How exactly did they come to this precise conclusion? How Old Is the Universe? tells the incredible story of how astronomers solved one of the most compelling mysteries in science ...
Astronomers have determined that our universe is 13.7 billion years old. How exactly did they come to this precise conclusion? "How Old Is the Universe?" tells the incredible story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces readers ...
考虑到“形成”对应的英文短语常为“came into being”(诞生,形成)或“came into existence”,其中前者更贴近口语化表达。句子时态为过去时,遵循语境“happened so long ago”。填空后句子为“No one exactly knows how the universe came into being”,符合语法及语意逻辑。其他可能如“was formed”仅占两词,...
No one exactly knows how the universe (形成), as it happened so long ago. 相关知识点: 试题来源: 解析 ①. came ②. into ③. being 【详解】考查固定短语和时态。句意:没有人确切地知道宇宙是如何形成的,因为它发生在很久以前。根据句意可知,句子陈述的是发生在过去的事,应用一般过去时,根据汉语...
The 2024 Formula 1 season wraps up this weekend in Abu Dhabi and in many ways nothing is different, but at the same time, everything has changed. First off, you have Max Verstappen. The Dutch driver wrapped up his fourth straight title a couple weeks ago. But his team, Red Bull, has...
America’s most special places will always be beautiful, but a warming climate forces us to accept that they can’t be frozen in time.
Brewing beer is the perfect blend of art and science.酿造啤酒是艺术与科学的完美结合。And after years tucked away in a lab, I wanted to do something real, something tangible.在实验室里呆了多年之后，我想做一些真实的、切实的事情。I love being able to see the joy on someone's face when ...
How old is the moon? Much younger than scientists previously thought. Back in 2020, researchers from the German Aerospace Center and the University of Münster released new estimates for the age of the moon. According to their modeling, it’s 85 million years younger than previous estimates have...
We know that they're very old and formed early in the evolution of the universe. Yet how they formed and evolved into their various shapes remains a mystery. When astronomers look into the deepest reaches of the universe with powerful telescopes, they see myriads of galaxies. The galaxies ...