A. planet B. galaxy C. universe D. constellation 相关知识点: 试题来源: 解析 B。本题考查银河系相关的概念。选项A“planet”(行星)与银河系概念完全不同;选项B“galaxy”(银河系),我们的太阳系位于银河系中,符合题意;选项C“universe”(宇宙)范围太大,不准确;选项D“constellation”(星座)与银河系不...
62.A.细节理解题 根据第一段"The name of our galaxy (银河),the Milky Way,comes from its appearance.It's a milky white band of glowing light that spreads across the night sky."可知我们银河系的名字来源于它的外观.它是一条乳白色的发光带,遍布
When the objects in the Oort cloud interact with passing stars, dust clouds or even the weak gravitational tidal forces created by the Milky Way galaxy, they may spiral inward toward the sun, according to a 2019 article in the journal Astronomy & Astrophysics. Or, the objects may be cast ...
文章:It is now established that the Milky Way is far more extended and of much greater mass than was hitherto thought.However,all that is visible of the constituents of the Milky Way’s corona (outer edge),where much of the galaxy’s mass must be located,is a tiny fraction of the ...
When man began to search the skies,he saw a lot of things.In the universe,the earth seemed to be just a small bit of dust.It is only a small planet,and travels around the sun.The sun together with its planets,travels in the Milky Way,our galaxy.The Milky Way has about thirty ...
type of medium-sized black holes is called"stellar." The mass of a stellar black hole can be up to 20 times greater than the mass of the sun and can fit inside a ball with a diameter of about 10 miles. Dozens of stellar mass black holes may exist within the Milky Way galaxy. ...
Where to see the Lyrids meteor shower The radiant of the Lyrid meteor shower is located near the Hercules-Lyra border.(Image credit: Future) The radiant — the point from which the meteors appear to originate — will be high in the evening sky in the constellation Lyra to the northeast of...
The South Pass is located in Fremont County near the Wind River Range and once was a traveling point for the Oregon Trail, Mormon Trail, and the California Trail. The rolling prairies of the pass offer an uninterrupted view of the night sky. ...
The summer months bring the best viewing conditions for the Milky Way. This is because the earth is positioned near the center of the Milky Way galaxy, where the highest concentration of stars is located. For all stargazing activity, it’s best to pick a night around the new moon when ...
Where to see the Lyrids meteor shower The radiant of the Lyrid meteor shower is located near the Hercules-Lyra border.(Image credit: Future) The radiant — the point from which the meteors appear to originate — will be high in the evening sky in the constellation Lyra to the northeast of...