Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241 × 10 −27 kg/m 3.Its presence is implied in a variety of astrophysical observations, including gravitational effects that cannot be explained by accepted theories of gravity unless more matter is present than can … This is the cosmic virus that could wipe out the Universe as we know, Strange Matter that can turn everything in its path into dense, dead matter. This is more similar to a virus than you might think. Water is the only common substance that is naturally found as a solid, liquid or gas. About 90% of people are right-handed. This human preference for right over left is an example of parity violation: when the mirror image of something is not equivalent to the original. Black holes formed by the collapse of individual stars are relatively small, but incredibly dense. It seems as though we must … Thales of Miletus, philosopher renowned as one of the legendary Seven Wise Men, or Sophoi, of antiquity. In 1923, Louis deBroglie predicted that the wavelength of matter was related to it's momentum. Of the five states matter can be in, the Bose-Einstein condensate is perhaps the most mysterious. Before we look at why things are called solids, liquids or gases, we need to know more about matter. Solids, liquids and gases are known as states of matter. As Albert Einstein wrote:. Solids, liquids and gases are known as states of matter. Its properties are unknown, but it is believed that the force of its gravity plays a leading role in the formation of stars and galaxies, and in the end it was she who became the cause of our existence. Wave–particle duality is the concept in quantum mechanics that every particle or quantum entity may be described as either a particle or a wave.It expresses the inability of the classical concepts "particle" or "wave" to fully describe the behaviour of quantum-scale objects. This helped explain how a beam of electrons (particles) can interfere in the same way that light does in the famous 2 slit diffraction experiments. Learn more about Thales of Miletus in this article. As of 2018, in-depth research shows the particle continuing to behave in line with predictions for the Standard Model Higgs boson. More studies are needed to verify with higher precision that the discovered particle has all of the properties predicted, or whether, as described by some theories, multiple Higgs bosons exist. One of these objects packs more than three times the mass of the sun into the diameter of a city. 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