Thegalaxyis surrounded by a huge hot-gas halo that is several hundreds of thousands of light-years in diameter. Astronomers estimate that the halo's mass is about the same as that of all the stars in the Milky Way. Many of the Milky Way's stars, however, are tough to view. That is...
百度试题 结果1 题目How many stars are there in the Milky Way?相关知识点: 试题来源: 解析 Thirty billion stars.反馈 收藏
1. How many stars are there in the Milky Way? 2. Why can't we see the Pistol Star? 3. Which is closer to the earth, the Pistol Star or the sun? 4. What can decide a star 's colour? 5. What has happened when a star becomes red? 6. Translate the last sentence into Chinese...
But it's also a changing tapestry, as new stars are constantly being born, and others are dying. In fact, that will be the fate of our own sun in roughly 5 billion years. But how quickly does the night sky change, and in our galaxy, the Milky Way, how many stars die each year?
2. How many continents are there on Earth? 地球上有多少个大洲? 3. How many oceans are there in the world? 世界上有多少个海洋? 4. How many planets are there in our solar system? 我们的太阳系里有多少颗行星? 5. How many stars are there in the Milky Way galaxy? 银河系里有多少颗星星...
2.What was the earth like in the universe?3.What do we use to work out how far away a star is from the earth?4.How many stars are there in the Milky Way?5.What does "Milky Way" mean in Chinese?第3个 e have light-years `` 答案 1.the sun together with its planets,travels...
So, how many stars are there in space? No one knows for sure. Some astronomers in the European Space Agency', or the ESA, have some estimates (估计) about the total number of stars in the universe.The Milky Way is very important to humans because it is the home galaxy of our Su...
100 billion stars in our galaxy the Milky Way. But the Milky Way is just one of billions of galaxies that we know about! Some other scientists say there are 2 000 000 000 000 000 000 stars! The largest star that we know about is called the Pistol Star (手枪星). The PistolStar ...
How Many Stars Are in the Milky Way? Exploring the Milky Way From Inside the Galaxy The Milky Way, our celestial home, has fascinated astronomers for centuries. It is a vast galaxy, a large system that includes stars, gas (predominantly hydrogen), dust and dark matter, all bound together...
When you look up at night and see thousands of stars, have you ever wondered what you are looking at? Learn what stars are and how they live and die!