How big is it? What’s out there? Are there other planets with life on them? We don’t know yet, but we’re trying to discover more. Some people work hard to learn about the universe. They are astronomers (天文学家) and they look at the stars. Other people design and make ...
Their survey was the first to indicate that galaxies were not distributed uniformly in space. Some areas had a lot of galaxies, and other areas had just a few. Another way of putting this is to say that galaxies are clustered. They're not spread evenly throughout the universe. So we hav...
1. The universe originated from the Big Bang 13.8 billion years ago, consists of galaxies, stars, planets, dark matter, and dark energy, and is constantly expanding. 2. Satellites are made for communication, Earth observation, navigation, scientific research, and military applications. **题目完...
We thought we knew a great deal about the structure and origin of the Universe. Well, we certainly knew something, but many of the ideas that were current at that time have since been cast aside. First, consider the age of the Universe. It was known that the Universe was very old, ...
Alan Smith, a complexity scientist, is tired of such complaints. Asking about “the point” of ALife might be, well, missing the point entirely, he says. “The existence of a living system is not about the use of anything.” Alan says. “Some people ask me, ‘So what’s the worth ...
根据所学知识,用英语写一篇题为“What's in the Universe?”的短文。要求:词数不少于80,开头部分已给出,不计入总词数。提示:universe, solar system, galaxy, planet,sun, earth, moon, life, Mars, spaceship,astronaut What's in the Universe?Have you known about the universe?___ 相关知识点: 试...
3. You know — one loves the sunset, when one is so sad.你知道的— 当一个人情绪低落的时候，他会格外喜欢看日落。4. His flower had told him that she was only one of her kind in all universe. And here were five thousand of them, all alike, in one single garden!他的花朵曾经告诉...
“I have read about it too, and the Italian astronaut certainly has my attention. Exploring the universe 8 ( be) mankind’s dream since ancient times. Thanks to 9 ( science) and technological progress, reaching beyond the moon has become a reality. Humanity will continue to benefit 10 the...
🎊Trees and flowers are what you want.满树繁花,你是心之所向。🎊My journey is the stars and the sea.我的征途是星辰大海。🎊We all meet better ourselves.我们终将遇见更好的自己。🎊Better be your own universe.不如做自己的宇宙。🎊Live long and prosper.生生不息,繁荣昌盛。 #英语 #...
Even for me, a teaching professor in physics and astronomy who has studied the universe for years, these ideas are hard to grasp. You don't experience anything like this in your daily life. It's like asking what direction is farther north of the North Pole. Another way to think abou...