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In the baryonic material of the Universe there are two sources of large amounts of energy: nuclear fusion and gravitation. Nuclear fusion takes place inside the stars, and we can really see this light redshifted: this is the main source of the cosmic ultraviolet- and visual background .
The adult glasswing butterfly can be identified by its transparent wings with opaque, dark brown borders tinted with red or orange. Their bodies are a dark brown color. The butterflies are 2.8 to 3.0 centimetres (1.1 to 1.2 in) long and have a wingspan of 5.6 to 6.1 centimetres (2.2 to 2.4 in).
Most of the radiation energy in the universe is in the cosmic microwave background, [58] making up a fraction of roughly 6 × 10 −5 of the total density of the universe. [ 59 ] Two of the greatest successes of the Big Bang theory are its prediction of the almost perfect black body spectrum and its detailed prediction of the anisotropies in ...
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Trouvelot, The great nebula in Orion (1875).. Astronomical art is a genre of space art that focuses on visual representations of outer space.It encompasses various themes, including the space environment as a new frontier for humanity, depictions of alien worlds, representations of extreme phenomena like black holes, and artistic concepts inspired by astronomy.
Media in category "Images of butterflies and moths" This category contains only the following file. Plate II Kallima butterfly from Animal Coloration by Frank Evers Beddard 1892.jpg 1,695 × 2,722; 1.77 MB
Dryas iulia (often incorrectly spelled julia), [3] commonly called the Julia butterfly, Julia heliconian, the flame, or flambeau, is a species of brush-footed (or nymphalid) butterfly. The sole representative of its genus Dryas , [ 4 ] it is native from Brazil to southern Texas and Florida , and in summer can sometimes be found as far north as ...
The Kamehameha butterfly (Vanessa tameamea) is one of the two species of butterfly endemic to Hawaii, the other is Udara blackburni. [1] The Hawaiian name is pulelehua.This is today a catch-all native term for all butterflies; its origin seems to be pulelo "to float" or "to undulate in the air" + lehua, "reddish", or "rainbow colored", probably due to the predominant color of the Metrosideros ...