Our galaxy, the Milky Way, is shaped like a flat disk surrounding a central bulge. Whereas Population I stars are found mainly in the galactic disk, Population II stars mostly reside in the central bulge of the galaxy and in the halo surrounding this bulge.Population II stars date to the ...
A. Milky Way B. Andromeda Galaxy C. Elliptical galaxy D. Irregular galaxy 相关知识点: 试题来源: 解析 A。解析:银河系(Milky Way)是螺旋状星系。选项 B 仙女座星系也是螺旋星系,但本题问的是哪个星系有螺旋形状,首先想到的通常是我们所在的银河系。选项 C 椭圆星系不是螺旋形状。选项 D 不规则星系也不...
百度试题 结果1 题目(b) Which galaxy is our solar system in?B(1)□ A Cartwheel B Milky Way□ C Sombrero□ D Sunflower 相关知识点: 试题来源: 解析 B 反馈 收藏
NASA's twin Voyager spacecraft have given astronomers their first direct look at emissions important for estimating the rate at which the Milky Way is making stars, opening a new avenue for studying star-forming regions in the galaxy.doi:10.1007/BF00199986Spotts, Pete...
Which star is at higher temperature? (a) A red star (b) A blue star? Why are there different types of galaxies? Fill in the blank. According to Hubble's law, the greater a galaxy's redshift, the ___. Fill in the blank. Most of the mass of the milky way ...
the stars in the blue component quickly allowed us to identify it as the remains of a dwarf galaxy (Gaia-Enceladus) which impacted onto the early Milky Way. However, the nature of the red population, and the epoch of the merger between Gaia-Enceladus and our Galaxy were unknown until now...
Simultaneously, other astronomers were discovering that Farth and the sun belonged to a large collection of stars they called a galaxy In 1925, American astronomer Fdwin Hubble proved other galaxies existed in addition to Farth's galaxy. which had been duhhed the Milky way.Hubble made further ...
In this post, I’ll discuss the topic of using a star tracker for astrophotography, and compare some of the best choices available in 2024. If you are interested in capturingNightscapesorMilky Way Photography, a star tracker is arguably the most important investment you’ll make in equipment....
Determining the age of the universe has been more complicated. Most stars in the universe are clustered into enormous disk-like galaxies. The distance between our galaxy, known as the Milky Way, and all others is increasing. In fact, all galaxies are moving away from one another, evidence ...
What constellation is Betelgeuse in? Which terrestrial planets have seasons? What month is Ursa Major best seen in? Which Jovian planet has the most extreme seasonal changes? What galaxy is Rigel in? Is the Milky Way absorbing Canis Major?