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  2. Plane (Dungeons & Dragons) - Wikipedia

    en.wikipedia.org/wiki/Plane_(Dungeons_&_Dragons)

    They consist of the Elemental Planes [1] of air, earth, fire and water, and the Energy Planes. Some descriptions also contain the Para-elemental (magma, ice, etc.) and Quasi-elemental planes (lightning, dust, etc.) linking them. [1] The energy planes are the Positive Material Plane and Negative Material Plane.

  3. List of quasiparticles - Wikipedia

    en.wikipedia.org/wiki/List_of_quasiparticles

    Particle with zero mass gap in one direction of space. electron Surface magnon polariton: Coupling between spin waves and electromagnetic waves. magnon, photon Surface phonon: Vibrational modes in a crystal lattice associated with atomic shifts at the surface. Surface plasmon: A coherent excitation of a plasma at the surface of a metal.

  4. Quasi-sphere - Wikipedia

    en.wikipedia.org/wiki/Quasi-sphere

    In a space with a positive-definite quadratic form (i.e. a Euclidean space), a quasi-sphere with negative radial scalar square is the empty set, one with zero radial scalar square consists of a single point, one with positive radial scalar square is a standard n-sphere, and one with zero curvature is a hyperplane that is partitioned with the n ...

  5. Quasar - Wikipedia

    en.wikipedia.org/wiki/Quasar

    The highest-redshift quasar known (as of August 2024) is UHZ1, with a redshift of approximately 10.1, [48] which corresponds to a comoving distance of approximately 31.7 billion light-years from Earth (these distances are much larger than the distance light could travel in the universe's 13.8-billion-year history because the universe is expanding).

  6. Etheric plane - Wikipedia

    en.wikipedia.org/wiki/Etheric_plane

    The etheric plane (see also etheric body) is a term introduced into Theosophy by Charles Webster Leadbeater and Annie Besant to represent the subtle part of the lower plane of existence. It represents the fourth [higher] subplane of the physical plane (a hyperplane ), the lower three being the states of solid , liquid , and gaseous matter.

  7. Cosmological principle - Wikipedia

    en.wikipedia.org/wiki/Cosmological_principle

    In modern physical cosmology, the cosmological principle is the notion that the spatial distribution of matter in the universe is uniformly isotropic and homogeneous when viewed on a large enough scale, since the forces are expected to act equally throughout the universe on a large scale, and should, therefore, produce no observable inequalities in the large-scale structuring over the course ...

  8. Cosmochemistry - Wikipedia

    en.wikipedia.org/wiki/Cosmochemistry

    Meteorites are often studied as part of cosmochemistry. Cosmochemistry (from Ancient Greek κόσμος (kósmos) 'universe' and χημεία (khēmeía) 'chemistry') or chemical cosmology is the study of the chemical composition of matter in the universe and the processes that led to those compositions. [1]

  9. Standard Model - Wikipedia

    en.wikipedia.org/wiki/Standard_Model

    The Dirac Lagrangian of the quarks coupled to the gluon fields is given by = ¯, where is a three component column vector of Dirac spinors, each element of which refers to a quark field with a specific color charge (i.e. red, blue, and green) and summation over flavor (i.e. up, down, strange, etc.) is implied.