What are galaxies?The Galaxies of the Local Group by Sidney van den Bergh, Cambridge Astrophysics Series; The Formation of Galactic Bulges eds C M Corollo, H C Ferguson and R F G Wyse, Cambridge Contemporary Astrophysics.BinneyJamesEBSCO_AspAstronomy & Geophysics...
B. Galaxies rotate. C. Galaxies are being rotated. D. Galaxies will rotate. 相关知识点: 试题来源: 解析 B。本题考查“星系旋转”的英语表达。A 选项“are rotating”是现在进行时,强调正在旋转;C 选项“are being rotated”是现在进行时的被动语态,不符合星系自然旋转的主动意义;D 选项“will rotate...
Here are two different ways to set it up, depending on the model Galaxy you have. Many Samsung Galaxies have an Emergency Dialer on the Home Screen. Simply set up your ICE contacts and then press and hold your first ICE contact until the menu appears, then add it to the ICE Emergency ...
Galaxies are giant structures made of dust, gas, stars and other celestial bodies spread through an immense area of space. Our own galaxy, the Milky Way, consists of more than a hundred billion stars strung across tens of thousands of light years. Galaxies are broken down into three basic s...
The majority of bright early-type galaxies in this field are found at redshifts $z \\leq 1.3$ to share common properties with those of high-z cluster samples, as for the age and mass of the dominant stellar population -- which are found to be as old as 3-5 Gyr and as massive as...
Related: How galaxies form: Theories, variants and growth Around 15% to 20% of galaxies with AGNs are bright in radiowaves and are classed as being "radio loud," according to the California Institute of Technology (Caltech). Quite what makes one AGN "radio loud" and another "radio quie...
Well, basically it refers to the number of galaxies there are within a cluster. FEMALE STUDENT: Is that the same as density? MALE PROFESSOR: That’s right.Both, uh, “richness” and “density” refer to the number per area.Rich clusters, or dense clusters, uh, contain a relatively high...
12. How many galaxies are there in the universe? 13. What does a light-year mean? 14. Do you want to travel in space one day? Why or why not? 相关知识点: 试题来源: 解析 12. There are billions of galaxies in the universe. 13. A light-year is the distance that light tra...
After 300 years, what do we know aboutthe Milky Way?A. It's one of billions of stars.B. It's one of billions of other galaxies.C. It is a huge island of light.D. It is a world like ours.3. What are the main functions of the Hubble SpaceTelescope?A. Taking pictures of the ...
百度试题 结果1 题目What percentage of galaxies are irregular? A. 10% B. 25% C. 50% D. 75% 相关知识点: 试题来源: 解析 A 反馈 收藏