解析 speed 结果一 题目 12. A light year is the distance light travels in one year at a speed (speed) of 299, 792 kilometres per second. 答案 答案见上相关推荐 112. A light year is the distance light travels in one year at a speed (speed) of 299, 792 kilometres per second....
A light year is the distance that light travels in one year. Which of the following is not a correct description of a light year? A. It is a measure of distance. B. It is about 9.46 trillion kilometers. C. It is equal to one astronomical unit. D. It is a very large distance. ...
What is a light year? 一光年是指光在真空中传播一年经过的距离 A light year is the distance that light travels in one Earth year. 光前进的速度非常快 Light travels very fast, 大约每秒186000英里(或300000千米) about 186,...
A Light-Year is a Measure of Distance, Not Time Posted by: Josef Essberger Superb demo by NASA NASA demonstrate in 1 minute 46 seconds just how far a light year is. Pretty far… You may also like: Listen&Learn: The History of Airplanes...
The word "year," is normally a unit of time, but light-years measure distance. M. Aurelius/Shutterstock A light-year is a way of measuring astronomical distances in space. That doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. ...
解析 一光年就是光一年中走的路程 分析总结。 一光年就是光一年中走的路程结果一 题目 英语翻译And one light year is the distance that light travels in a year 答案 一光年就是光一年中走的路程相关推荐 1英语翻译And one light year is the distance that light travels in a year 反馈 收藏 ...
百度试题 结果1 题目 12. A light year is the distance light travels in one year at a speed (speed) of 299,792 kilometres per second. 相关知识点: 试题来源: 解析 答案见上speed 反馈 收藏
And one light year is the distance that light travels in a year 下载作业帮APP学习辅导没烦恼 答案解析 结果1 举报 一光年就是光一年中走的路程 APP内打开 结果2 举报 一光年是光在一年中走的距离 结果3 举报 而且一光年就是光在一年中走过的距离。
A light year is a basic unit astronomers use to measure the vast distances in space. To give you a great example of how far a light year actually is, it will takeVoyager 1(NASA’s longest-lived spacecraft) over17,000 yearsto reach 1 light year in distance traveling at a speed of 61...
A light-year is a measurement of distance and nottime(as the name might imply). A light-year is the distance a beam of light travels in a singleEarthyear, which equates to approximately 6 trillion miles (9.7 trillion kilometers).