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Greys have been the predominant extraterrestrial beings of alleged alien contact since the 1960s. [ 5] Hopkinsville goblin [ 6][ 7][ 8] Small, greenish-silver humanoids. [ 9] Little green men [ 10] Diminutive green humanoids. Even though a few abductions have referred to green skin, no report has ever involved anything that would fit the ...
This is a list of flags, arranged by design, serving as a navigational aid for identifying a given flag.Uncharged flags are flags that either are solid or contain only rectangles, squares and crosses but no crescents, circles, stars, triangles, maps, flags, coats of arms or other objects or symbols.
Berkemeyer. Glass, 200ml (7 fl. oz.) Australian beer glass (Queensland and Victoria). Handle, 425ml New Zealand beer glass. Jug, 750–1000ml served at pubs in New Zealand. Middy, 285ml (10 fl. oz.) Australian beer glass (New South Wales). Pilsner glass, for pale lager. Pint glass, for an imperial pint of beer or cider.
The earliest known blue dyes were made from plants – woad in Europe, indigo in Asia and Africa, while blue pigments were made from minerals, usually either lapis lazuli or azurite, and required more. [63] Blue glazes posed still another challenge since the early blue dyes and pigments were not thermally robust.
Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
Color. Color ( American English) or colour ( British and Commonwealth English) is the visual perception based on the electromagnetic spectrum. Though color is not an inherent property of matter, color perception is related to an object's light absorption, reflection, emission spectra, and interference. For most humans, colors are perceived in ...
Art education materials commonly use red, yellow, and blue as primary colors, sometimes suggesting that they can mix all colors. No set of real colorants or lights can mix all possible colors, however. In physics, the three primary colors are typically red, green and blue, after the different types of photoreceptor pigments in the cone cells ...
This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...