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  2. Cosmic distance ladder - Wikipedia

    en.wikipedia.org/wiki/Cosmic_distance_ladder

    In the upper diagram, the Earth (blue-filled circle) in its orbit sweeps the parallax angle subtended on the Sun (yellow-filled circle). The lower diagram shows the equal angle swept by the Sun in a geostatic model. A similar diagram can be drawn for a star except that the angle of parallax would be minuscule.

  3. Wikipedia : Graphics Lab/Resources/Draw topological maps

    en.wikipedia.org/wiki/Wikipedia:Graphics_Lab/...

    Create three additional layers 3. Create three additional layers: Click Layer-> Add layer... and name this layer "Station points". Repeat twice, naming the layers "Station names" and "Key". Select the bottom layer, "Line". Draw a straight line 4. Draw a straight line: Click on the Draw Bezier curves and straight lines (Shift + F6) button. In ...

  4. Manichaean Diagram of the Universe - Wikipedia

    en.wikipedia.org/wiki/Manichaean_Diagram_of_the...

    Under the Manichaean view of the universe, the world is formed by ten layers of heaven and eight layers of the Earth. The separated top section depicts paradise, below it are the sun (right) and moon palaces, which are shown in two circles. Then the ten layers of heaven, where angels and the twelve zodiac signs are included.

  5. Lambda-CDM model - Wikipedia

    en.wikipedia.org/wiki/Lambda-CDM_model

    These equations specify the evolution of the scale factor the universe in terms of the pressure and density of a perfect fluid. The evolving density is composed of different kinds of energy and matter, each with its own role in affecting the scale factor. [4]: 7 For example, a model might include baryons, photons, neutrinos, and dark matter.

  6. Walsh diagram - Wikipedia

    en.wikipedia.org/wiki/Walsh_diagram

    Walsh diagrams in conjunction with molecular orbital theory can also be used as a tool to predict reactivity. By generating a Walsh Diagram and then determining the HOMO/LUMO of that molecule, it can be determined how the molecule is likely to react. In the following example, the Lewis acidity of AH 3 molecules such as BH 3 and CH 3 + is predicted.

  7. Penrose diagram - Wikipedia

    en.wikipedia.org/wiki/Penrose_diagram

    Penrose diagram of an infinite Minkowski universe, horizontal axis u, vertical axis v. In theoretical physics, a Penrose diagram (named after mathematical physicist Roger Penrose) is a two-dimensional diagram capturing the causal relations between different points in spacetime through a conformal treatment of infinity.

  8. Lithosphere–asthenosphere boundary - Wikipedia

    en.wikipedia.org/wiki/Lithosphere–asthenosphere...

    A diagram of the internal structure of Earth. The lithosphere consists of the crust and upper solid mantle (lithospheric mantle). The green dashed line marks the LAB. The lithosphere–asthenosphere boundary (referred to as the LAB by geophysicists) represents a mechanical difference between layers in Earth's inner structure.

  9. Mesocosm - Wikipedia

    en.wikipedia.org/wiki/Mesocosm

    Diagram of a small form closed system mesocosm. Different components of a successful mesocosm . A mesocosm (meso-or 'medium' and -cosm 'world') is any outdoor experimental system that examines the natural environment under controlled conditions. In this way mesocosm studies provide a link between field surveys and highly controlled laboratory ...