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...
stars rather than blue main-sequence stars, as in the case of the spiral arms. This finding led Baade to suggest that these galaxies, and also the Milky Way Galaxy, are made of two populations of stars that are distinct in their physical properties as well as their locations. He applied ...
The meaning of MILKY WAY is a broad luminous irregular band of light that stretches completely around the celestial sphere and is caused by the light of myriads of faint stars.
The Milky Way is a galaxy. What is a galaxy? A. a large group of stars B. a single star C. a planet D. a moon 相关知识点: 试题来源: 解析 A。银河系是一个星系,星系是由大量恒星组成的,“a large group of stars”是“一大群星星”。“a single star”是“一颗单独的星星”,“a ...
Milky Way Galaxy and many stars rise over the sky at the forest in Mt.Bromo Indonesia ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长
Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across th
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!
Do you know how many stars there are in the universe?The answer is MANY! 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! Some other scientists say there are 2,000,000,000,000,000,00...
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 ...
In our own galaxy, the Milky Way, there are perhaps 200 billion stars, a small part of them probably have planets on which life is feasible. A. a small fraction in which B. a small fraction of whichC. a small fraction which