What is a black hole? A. A very large star. B. A place with no light. C. A region with extremely strong gravity. D. A planet with a strange shape. 相关知识点: 试题来源: 解析 C。本题考查对黑洞的理解。听力材料中提到黑洞是具有极强引力的区域。A 选项黑洞不是非常大的恒星;B 选项...
What is a black hole什是黑洞 What is a Black Hole? ? This is an object with a gravitational field so powerful that even electromagnetic radiation (such as light) cannot escape its pull. An easily understandable explanation ? An understandable tennis ball example. ? Body/volume/gravitational ...
024. What is a Black Hole 2024-03-13 15:26:0719 切换-音频 00:00:00/ 00:00:00 高清 下载手机APP 7天免费畅听10万本会员专辑 声音主播 大头_sgm 2704352409 TA的专辑 更多 儿童国学经典增广贤文828 百家姓859 带孩子读百岁童谣774 每天分享一个育儿小知识187...
01 黑洞是什么 What Is a Black Hole? 黑洞就是一个引力很强的空间区域。任何东西——甚至连光——都因为不够快,不能从其内部逃离。虽然这一概念最初是在理论物理学家丰富的想象中被构思出来的,但现在我们已经在宇宙中发现了数百个黑洞,并且它们以百万计。尽管这些黑洞是不可见的,但它们以一种很容易被探测到...
根据第一段的第一句 "This article is part of the NASA Knows!(Grades K-4)series" 可知这篇文章能在NASA的网站上看到,故答案选B。 (2) 细节理解题。根据第三段的第二句Scientists think the smallest black holes are as small as just one atom 第四句Another kind of black hole is called "stellar...
改错:What is a black hole? Well, it is difficult to answer the questionA. 相关知识点: 试题来源: 解析 【解析】supernova 名词,(天文)超新星1. 将as 改为since或者because。在表示原因的连接词中,只有as引导的原因状语从句不能位于主句之后,只能位于句首。2 .将adequate 改为inadequate,或者在are后加...
网络黑洞是什么;什么是黑洞
What is a black hole?No Abstract available for this article.doi:10.1007/BF00776538Frank J. TiplerKluwer Academic Publishers-Plenum PublishersGeneral Relativity and GravitationTipler, F. J. (1978). What is a black hole? (unpublished).Tipler, F. J. “What is a Black Hole?”...
声音简介A black hole can happen when a massive star dies. The star falls in on itself, squashing all its material and becoming smaller and smaller. In the end all that's left is a place light cannot escape from - a black hole. ...
What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region of space (not a thing ) into which matter has fallen and from...