Astronomers have several ways to count stars, but getting a definitive answer to how many there are in a galaxy is "surprisingly difficult."
A. 10 to 20 billion B. 50 to 100 billion C. 100 to 400 billion D. 500 to 1000 billion 相关知识点: 试题来源: 解析 C。原因:文中提到“Scientists estimate that there are between 100 and 400 billion stars in the Milky Way.”。 反馈 收藏 ...
___ stars are there in the Milky Way? A. How much B. How many C. How long D. How far 相关知识点: 试题来源: 解析 B。“How many”用于询问可数名词的数量,这里是问银河系里有多少颗星星。“How much”用于询问不可数名词的数量或价格;“How long”用于询问时间长短或物体长度;“How far”...
First, it helps to clarify what it means for a star to die. Stars are enormous balls of hot gas sustained bynuclear fusionthat converts hydrogen to helium inside the core. Stars die when nuclear fusion stops. There are two main ways this can happen, and the way a star dies depends on...
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. About how many stars are believed to be in the Milky Way? over 200 billion 10 million 10 billion 100 trillion 2. How long does it take light to travel from one side of the Milky Way to the other? 200 light years 20 light years 100,000 light years 1 million light yea...
The Milky Way is the galaxy that contains our Solar System. This name derives from its appearance as a dim "milky" glowing band arching across the night sky, in which the naked eye cannot distinguish individual stars. The term "Milky Way" is a translatio
Milky Way: Created by Vasilis Kekatos. With Korinna Dullaart, Konstantinos Georgopoulos, Nikos Zeginoglou, Andreas Konstantinou. Follows 17-year-old Maria, a high school senior with dreams of becoming a dancer, whose starry-eyed plans for the future are
— How many stars are in the Milky Way? — Our Milky Way galaxy isn't very well mixed, study suggests At the outskirts of the Milky Way, the astronomers write, are distant and fragmented irregular arms that are not connected to the central bulge of the galaxy where the major...
阅读理解。 Do you know how many stars there are in the universe? The answer is WANY! Our sun is one of about 100 billion stars in our galaxy the Milky Way. But the Milky Way is just one of billions of galaxies that we know about!