解析 C。“galaxy”是“星系”,是一个天体系统,“a system of celestial bodies”即“天体系统”最为准确。选项 A“a group of stars”是“一群星星”;选项 B“a collection of planets”是“一组行星”;选项 D“an assembly of moons”是“一群卫星”。
Milky Way Galaxy - Structure, Dynamics, Stars: The first reliable measurement of the size of the Galaxy was made in 1917 by American astronomer Harlow Shapley. He arrived at his size determination by establishing the spatial distribution of globular clus
Astronomers have several ways to count stars, but getting a definitive answer to how many there are in a galaxy is "surprisingly difficult."
The Milky Way galaxy is very large. It contains billions of stars. Our sun is just one of the stars in the Milky Way. The diameter of the Milky Way is about___. A. 100,000 light years B. 10,000 light years C. 1,000 light years D. 100 light years 相关知识点: 试题来源:...
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 hides galaxy of starsA galaxy of about 300 billion stars has been discovered close to our own by an international team of astronomers using the oldest radio telescope in the world.Tom WilkieScience Editor
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Then the astronomer helped us look at the prominent stars of the Milky Way galaxy, and he provided us with details of our neighbour, Andromeda galaxy. And explain how you felt when you saw the stars.? The overall experience was enchanting because I learned about various heavenly bodies like ...
ai like your beach restaurant , I like the beach, but.. 我喜歡您的海灘餐館,我喜歡海灘,但。 [translate] awhats App? 什么是App ?[translate] aa galaxy of stars just like the Milky Way, only much further away. 星星系喜欢银河,只促进。[translate]...
Astronomers can go their whole career without finding a new object in the sky. But for Lina Necib, a postdoctoral scholar in theoretical physics at Caltech, the discovery of a cluster of stars in the Milky Way, but not born of the Milky Way, came early—