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  2. Cloud - Wikipedia

    en.wikipedia.org/wiki/Cloud

    Cloud droplets tend to scatter light efficiently, so that the intensity of the solar radiation decreases with depth into the gases. As a result, the cloud base can vary from a very light to very-dark-gray depending on the cloud's thickness and how much light is being reflected or transmitted back to the observer. High thin tropospheric clouds ...

  3. List of states of matter - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_matter

    Hexatic state, a state of matter that is between the solid and the isotropic liquid phases in two dimensional systems of particles. Ferroics; Ferroelastic state, a phenomenon in which a material may exhibit a spontaneous strain. Photon molecule: Photons which are connected with each other, attracted by apparent mass while mediating energy transfer.

  4. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    Forms of matter that are not composed of molecules and are organized by different forces can also be considered different states of matter. Superfluids (like Fermionic condensate) and the quark–gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as (s) for solid, (l) for liquid, and (g) for gas.

  5. Cloud physics - Wikipedia

    en.wikipedia.org/wiki/Cloud_physics

    the effective cloud amount, the cloud amount weighted by the cloud IR emissivity, with a global average of 0.5; the cloud (visible) optical depth varies within a range of 4 and 10. the cloud water path for the liquid and solid (ice) phases of the cloud particles; the cloud effective particle size for both liquid and ice, ranging from 0 to 200 μm

  6. Suspension (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Suspension_(chemistry)

    In chemistry, a suspension is a heterogeneous mixture of a fluid that contains solid particles sufficiently large for sedimentation. The particles may be visible to the naked eye , usually must be larger than one micrometer , and will eventually settle , although the mixture is only classified as a suspension when and while the particles have ...

  7. Interstellar cloud - Wikipedia

    en.wikipedia.org/wiki/Interstellar_cloud

    An interstellar cloud is generally an accumulation of gas, plasma, and dust in our and other galaxies. But differently, an interstellar cloud is a denser-than-average region of the interstellar medium , the matter and radiation that exists in the space between the star systems in a galaxy.

  8. Colloid - Wikipedia

    en.wikipedia.org/wiki/Colloid

    Gas Liquid Solid Dispersion medium Gas No such colloids are known. Helium and xenon are known to be immiscible under certain conditions. [13] [14] Liquid aerosol Examples: fog, clouds, condensation, mist, steam, hair sprays: Solid aerosol Examples: smoke, ice cloud, atmospheric particulate matter: Liquid Foam Example: whipped cream, shaving cream

  9. Gas - Wikipedia

    en.wikipedia.org/wiki/Gas

    Drifting smoke particles indicate the movement of the surrounding gas.. Gas is one of the four fundamental states of matter.The others are solid, liquid, and plasma. [1] A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide).