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  2. 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.

  3. List of cloud types - Wikipedia

    en.wikipedia.org/wiki/List_of_cloud_types

    Noctilucent clouds are thin clouds that come in a variety of forms based from about 80 to 85 kilometres (262,000–279,000 ft) and occasionally seen in deep twilight after sunset and before sunrise. [6] [7] Type 1 Veils, very tenuous stratiform; resembles cirrostratus or poorly defined cirrus. Type 2

  4. Atmospheric optics - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_optics

    As a result, the cloud base can vary from a very light to very dark grey depending on the cloud's thickness and how much light is being reflected or transmitted back to the observer. Thin clouds may look white or appear to have acquired the color of their environment or background. High tropospheric and non-tropospheric clouds appear mostly ...

  5. Cosmic dust - Wikipedia

    en.wikipedia.org/wiki/Cosmic_dust

    Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth. [ 1 ] [ 2 ] Most cosmic dust particles measure between a few molecules and 0.1 mm (100 μm ), such as micrometeoroids (<30 μm) and meteoroids (>30 μm). [ 3 ]

  6. Cirrus uncinus cloud - Wikipedia

    en.wikipedia.org/wiki/Cirrus_uncinus_cloud

    Cirrus uncinus is a type of cirrus cloud. The name cirrus uncinus is derived from Latin, meaning "curly hooks". Also known as mares' tails, these clouds are generally sparse in the sky and very thin. [1] The clouds occur at high altitudes, at a temperature of about −50 to −40 °C (−

  7. Cloud albedo - Wikipedia

    en.wikipedia.org/wiki/Cloud_albedo

    [1] [2] Cloud albedo is influenced by the conditions of cloud formation and variations in cloud albedo depend on the total mass of water, the size and shape of the droplets or particles and their distribution in space. [3] Thick clouds reflect a large amount of incoming solar radiation, translating to a high albedo.

  8. Local Interstellar Cloud - Wikipedia

    en.wikipedia.org/wiki/Local_Interstellar_Cloud

    Map showing the Sun located near the edge of the Local Interstellar Cloud and Alpha Centauri about 4 light-years away in the neighboring G-Cloud complex. The Local Interstellar Cloud (LIC), also known as the Local Fluff, is an interstellar cloud roughly 30 light-years (9.2 pc) across, through which the Solar System is moving.

  9. Scholz's Star - Wikipedia

    en.wikipedia.org/wiki/Scholz's_Star

    Scholz's Star / ˈ ʃ oʊ l z (ə z)/ (WISE designation WISE 0720−0846 or fully WISE J072003.20−084651.2) is a dim binary stellar system 22 light-years (6.8 parsecs) from the Sun in the constellation Monoceros near the galactic plane. [2]