()A light year is a measure of ___。A. timeB. speedC. lengthD. height 相关知识点: 试题来源: 解析 C 这道题问的是 “一光年是一种什么的度量”。A. time(时间),光年显然不是用来衡量时间的,所以 A 选项错误。B. speed(速度),光年并非速度的度量单位,B 选项不正确。C. length(长度),...
( ) 4. A light year is a measure of A. time B. speed C. length D. height 相关知识点: 试题来源: 解析 答案4.C 解析 4.a light year光年,光年是长度单位,光年一般被用于计算 恒星间的距离。 A.time时间 B.speed速度 C.length长度 D.height高度 选C 。 句意:光年是长度的度量单位。
But there is another possibility, which is that these things created themselves and are taking care of themselves. And there is a third possibility, which is that there is Someone Who created them. When we look at these three possibilities, we find that the first and the second are ...
A light-year is a measure of the distance it takes light to travel through interstellar space over the course of a year.When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A Hubble Space Telescope image of the Andromeda galaxy, the Mil...
A light-year is a measure of astronomical distance: Light travels through a vacuum at precisely 983,571,056 feet (299,792,458 meters) per second, making a light-year approximately 6 trillion miles (9.7 trillion kilometers).(Image credit: ikonacolor via Getty Images) ...
解析 答案:一光年是长度的一种测量方法。核心短语/词汇: a light year:一光年 measure:测量方法 解析:根据“a light year:一光年”和“measure:测量方法”,结合语境可知答案。结果一 题目 【题目】A light year is a measure of length这句话什么意思啊? 答案 【解析】答案:一光年是长度的一种测量方法。核心...
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. ...
What is a light year used to measure? Light Year A 'light year' is a unit of measurement that is equal to the distance that light can travel in one year. One light year is equal to about 5,878,625,400,000 miles. Answer and Explanation: ...
Do you know what it is that a light-year actually measures? Do you know why so many people find it confusing? And why they really shouldn’t?
How far is alight-year? It might seem like a weird question because isn’t a ‘year’ a unit of time, and ‘far’ a unit of distance? While that is correct,a ‘light-year’ is actually a measure of distance. A light-year is the distance light can travel in one year. ...