___ 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”...
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...
Scientists have studied Mars for many years and they found that some chemicals on Mars are similar to those on the earth. They also found water on Mars. But they have no idea whether there is life like humans on Mars. 1. How many stars in the Milky Way? 2. How often does the earth...
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
Milky Way Overview, Galaxy Types & Map Lesson Additional Info Instructors Tanya Hausman View bio Damien Howard View bio Explore the history of the Milky Way galaxy. Learn all about the type of galaxy, discover how many stars are in the Milky Way, and view a map of the Milky Way. ...
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
Milky Way Galaxy - Star populations and movement: The concept of different populations of stars has undergone considerable change over the last several decades. Before the 1940s, astronomers were aware of differences between stars and had largely account
The stars in the Galaxy, especially along the Milky Way, reveal the presence of a general, all-pervasive interstellar medium by the way in which they gradually fade with distance. This occurs primarily because of interstellardust, which obscures and reddens starlight. On the average, stars nea...
Using this data, researchers from the Australian National University and the Niels Bohr Institute in Copenhagen attempted to calculate how many stars in the Milky Way could have planets in their habitable zones where liquid water could exist — the prerequisite for life whether primitive or complex....
— 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...