Since vacuum energy density is so similar in nature, it's often interchangeably called dark energy. Another theory, which has been partially disproven, defines dark energy as a new type of matter. Dubbed "quintessence," this substance would fill the universe like a fluid and exhibit negative ...
暗物质和暗能量-What is Dark Matter and Dark Energy 是在优酷播出的创意视频高清视频,于2016-02-20 17:20:37上线。视频内容简介:宇宙极为浩瀚。但你是否知道可看到的宇宙仅占了不到5%?其余绝大部分是完全无法看到的“暗物质和暗能量”。它们幽灵般难以捉摸。这个小短片非
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Since the concept of dark matter and dark energy was proposed, it is still unclear what its essence is. This paper will discuss the nature of dark matter and dark energy based on the dualism and its derivative theories or viewpoints. In the process of photon degradation to eight-subphotons ...
What is dark energy? A. Matter that does not interact with light. B. Matter that can be detected by its gravitational effects on visible matter. C. A mysterious force that is causing the expansion of the universe to accelerate. D. Regions of space where the gravitational pull is so ...
Related:If dark matter is 'invisible,' how do we know it exists? You may like Where Is All the Dark Energy and Dark Matter? Milky Way Has Half As Much Dark Matter As Previously Thought What is dark matter and why is it invisible?
“If we want to understand the Universe we live in, we need to uncover the nature of dark matter and dark energy and understand the role they played in shaping our cosmos,”saidESA Director of Science, Carole Mundell. The spacecraft is still on its way to L2 at the moment, but ESA ...
So the real question shouldn’t be what is dark matter, the real question for the purposes of a podcast like this one, is how do we even know that such a thing exists? What leads us to believe that there is such a thing as dark matter and dark energy in the first place?
The dominating form of energy in the cosmos dark energy is driving the accelerating expansion of the universe, but its nature remains a mystery.
By modern estimates, the universe is only about 5% regular matter and energy and about 27% dark matter, or more than five times as much. The remaining 68% of the universe is thought to be dark energy—a topic for another day. Credit: NASA's Goddard Space Flight Center The fact ...