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1 day ago · The physical universe is defined as all of space and time (collectively referred to as spacetime) and their contents. Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
- Observable Universe
The observable universe is a ball-shaped region of the...
- Universe (Disambiguation)
Science and technology Mathematics. Universe (mathematics),...
- Galaxy
A galaxy is a system of stars, stellar remnants,...
- Earth's Location in The Universe
Knowledge of the location of Earth has been shaped by 400...
- Observable Universe
1 day ago · Observational cosmology – Study of the origin of the universe (structure and evolution) Observation history of galaxies – Large gravitationally bound system of stars and interstellar matter; Physical cosmology – Branch of cosmology which studies mathematical models of the universe
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5 hours ago · Etymology The English word sun developed from Old English sunne. Cognates appear in other Germanic languages, including West Frisian sinne, Dutch zon, Low German Sünn, Standard German Sonne, Bavarian Sunna, Old Norse sunna, and Gothic sunnō. All these words stem from Proto-Germanic * sunnōn. This is ultimately related to the word for sun in other branches of the Indo-European language ...
5 hours ago · Hello again Science Fans! It is a 3-day holiday weekend for most of us, so enjoy the unofficial beginning of summer. The astronomical start of summer, the summer solstice, occurs on Thursday, June 20 this year.
5 hours ago · When Walzer published his short book Exodus and Revolution (1985), his intention was to synthesize a range of more detailed historical studies. He outlined a characteristic pattern of revolutionary thought, stretching from the Vindiciae Contra Tyrranos (c.1579) to anti-apartheid Black nationalism in South Africa, a pattern that has endured even in its secularized manifestations. 4 This ...
5 hours ago · To avoid unphysical fracture behavior such as crack formation under pressure, one has to distinguish between tensile and compressive stress states. Thus, the elastic energy density is split into volumetric and deviatoric contributions. The degradation function is then not applied for negative volumetric contributions. With the definition of
5 hours ago · The so-called perífrasis perfectivas in Galician present the action as concluded or realized. This particular aspectual feature constitutes the common ground for an otherwise heterogeneous set of constructions, ranging from rematar de ‘finish’+ infinitive (e.g., rematóu de beber ‘(s/he) finished drinking’) to ter ‘have’ + participle (e.g., teñen ido ‘(they) have gone (Rep ...
