相关知识点: 试题来源: 解析 C。解析:文章中明确提到“Dark matter is a form of matter that does not interact with light or other electromagnetic radiation”,即暗物质是一种不与光或其他电磁辐射相互作用的物质。反馈 收藏
Nowadays we know that, in our Universe, dark matter occupies about 25% of the content, compared to only 5% of the "visible" ordinary matter. In this talk, we propose that the description of dark matter would be an extension of the Standard Model - a gauge theory. We all know that in...
暗物质(Dark matter) 声明:本文仅作学习笔记使用,转载请注明来源;由于笔者水平有限,如有不当之处,敬请读者指正. 一、暗物质 暗物质(Dark matter)是理论上提出的可能存在于宇宙中的一种不可见的物质,它可… 阿傻发表于Cosmo... 光影交错里的城市流变──一场时间与空间的旅程 Manol...发表于量化历史研... ...
I happen to be looking for a form of dark matter that is quite massive — between about 100g and many tonnes — and would have more easily visible effects. But because it is massive, it is very rare. (We know how much total mass of dark matter there should be, so if the individual...
解析 B。解析:文章提到“Scientists are also studying the mysteries of dark matter and dark energy. These are two phenomena that make up most of the universe, but we still know very little about them.”,科学家正在研究暗物质和暗能量的形成以及它们与周围环境的相互作用。
Do you know a lot about your company? Cheer up and you have to help yourself out. Give him an eats and he will take a yard. Green grass is seen in most parts of our city. This little is known about the man's life. We there is a will there is a. We put up quite a lot ...
C. How much does it weigh? D. What color is it? 相关知识点: 试题来源: 解析 B。原因:文中提到“Scientists are constantly asking questions and seeking answers. For example, they might ask, ‘What is the nature of dark matter? And how does it affect the universe?’”。反馈 收藏 ...
Instead, the primary theory of dark matter says that it is made of hypothetical particles called Weakly Interacting Massive Particles (WIMPs), which are about as well understood as their catch-all name implies. WIMPs don't even seem to interact with each other through anything more than gravity...
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The leading theory of dark matter is running out of room to hide. This is a preview of subscription content, access via your institution Access options Subscription info for Chinese customers We have a dedicated website for our Chinese customers. Please go to naturechina.com to subscribe to ...