Our solar system is not the only thing in the universe.It is part of a huge neighbourhood of other stars. The Sun is just one of the billions of stars in the Milky Way galaxy where we live. A galaxy is a group of billions of stars orbiting a common centre. Many of these stars hav...
Mysteries of the Universe: Our Solar System: With Jim Al-Khalili, Rod Pyle, James Green. Interviewing scientists and others who have been involved with carrying out and reporting about space missions, this series provides intimate knowledge about space m
1语篇翻译 The planet we live on is located in a tiny part of the universe. Our solar system is an interesting place. 1. The eight planets that make up our solar system are all different; some are small planets that are like rocks, and others are huge planets full of gas. The thing...
THE ten lectures which form the basis of this volume were delivered as the Thomson Lectures for the session 1919–1920 in connexion with the United Free Church College, Aberdeen. They provide a survey-fairly up-to-date and in general accurate-of the present state of astronomical knowledge, in...
By what name was Mysteries of the Universe: Our Solar System (2020) officially released in Canada in English? Answer See more gaps Learn more about contributing Add episode List Staff Picks: What to Watch in January See our picks User lists ...
A选项“galaxy”是星系,我们的太阳系只是银河系中的一部分,太阳不是银河系的中心,A选项错误。B选项“universe”是宇宙,宇宙包含无数的星系等,太阳不是宇宙的中心,B选项错误。C选项“solar system”是太阳系,太阳位于太阳系的中心,C选项正确。D选项“constellation”是星座,太阳不在星座的中心位置,D选项错误。
solar system C. universe D. constellation 相关知识点: 试题来源: 解析 B。本题考查宇宙相关概念的词汇区别。选项A“galaxy”(星系),我们所在的星系是银河系,太阳不是银河系的中心;选项B“solar system”(太阳系),太阳是太阳系的中心,符合题意;选项C“universe”(宇宙),太阳不是宇宙的中心;选项D“...
1. Recently discovered asteroidOumuamuais the first known confirmed extra-solar object currently passing through our solar system. Scientists speculate that the asteroid may have been ejected 45 million years ago from theCarina–Columba association, a stellar system situated at a distance of at least...
through a cavern near the headwaters of the Amazon which was discovered in the 1500's by some German families that were hired by the Portuguese to build a fort on the east side of the Andes Mountains to defend against the Spanish, as described in John B. Leith's book, Genesis for the...
of water.And water is very common.In fact,the elements(元素)that make up water(hydrogen and oxygen)are the first and third richest chemicals in the universe.This means that we can find water almost everywhere we look,from the surface of planets in our Solar Syst...