The underlined phrase refers to the ultimate goal of mankind's space exploration, which is to venture further into the cosmos and uncover the secrets of unknown worlds, including the Moon, Mars, and beyond. 问题分析: 1. 首先定位到文章最后一段画线部分:The ultimate goal of mankind is to go...
87 hours is an eternity. The cosmos was created in less time. —— Cast Away 87小时就是永恒,创造整个世界都不用这么长时间。——《荒岛余生》 Two little mice fell in a bucket of cream. The first mouse quickly gave up and drowned. The second mouse, wouldn't quit. He struggled so hard ...
The amount of space junk is increasing. Over the last few decades, satellites and rockets have been launched into space, littering the cosmos as they go. It's estimated there are now millions of thrown-away pieces of metal and other materials in orbit—everything from old rocket pieces to ...
The Space Age is thought to have officially begun on October 4th, 1957, with the launch ofSputnik 1by the Soviet Union – the first artificial satellite to be launched into orbit. News of the launch triggered a great deal of fear in the United States, as many worried that Sputnik could r...
What is the shape of space itself? Einstein’s theory of general relativity introduced the concept of space having a shape. So, what is the shape of space? NASA Key Takeaways The shape of space plays a significant role in the future of the cosmos, determining whether the Universe will exp...
I bought "The Elegant Universe" on DVD as soon as it hit the home video market. I had only managed to see portions of the program when it first aired on PBS, and bought "The Fabric of the Cosmos" on CD and listened to it in my car.The current state of physics is that everythin...
1【题目】Many of us wonder what lies in outer space. When we look up _ 1_ the night sky, we see stars, the twinkle of a moving satelliteand2(occasion) a distant planet. But one thing we don't see is the millions of pieces of junk filling up space.T he amount of space junk3e...
Albert Einstein proposed the unification of space and time in his General Theory of Relativity. In the early 1900s, scientists were debating whether the Milky Way contained the whole universe within its span, or whether it was simply one of many collections of stars. You may like What is ...
Invokes contemplation of existence, our place in the cosmos, and the universe's mysteries. 15 Compare with Definitions Space Space is the vast expanse beyond Earth, characterized by a vacuum and the absence of atmosphere, filled with celestial bodies. Astronauts experience microgravity when they trav...
Space radiation invisible to human eyes The majority of space is relatively empty, with just stray bits of dust and gas floating around. This means that when humans send a probe to a distant planet or asteroid, the craft will not encounter "drag" in the same way that an airplane does as...