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A measure of the brightness of a celestial body as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere. The brighter the object appears, the lower its magnitude. appulse. The closest approach of one celestial object to another, as viewed from a third body.
This page is a glossary of architecture. A flat slab forming the uppermost member or division of the capital of a column. A sculptural embellishment of an arch. The subsidiary space alongside the body of a building, separated from it by columns, piers, or posts. The space enclosed in a church between the outer gate or railing of the rood screen ...
The adjectival forms of the names of astronomical bodies are not always easily predictable. Attested adjectival forms of the larger bodies are listed below, along with the two small Martian moons; in some cases they are accompanied by their demonymic equivalents, which denote hypothetical inhabitants of these bodies.
Classical elements. According to ancient and medieval science, aether (/ ˈiːθər /, alternative spellings include æther, aither, and ether), also known as the fifth element or quintessence, is the material that fills the region of the universe beyond the terrestrial sphere. [1] The concept of aether was used in several theories to explain ...
Outer space. Being essentially empty, outer space allows the earliest (redder) galaxies to be viewed without obstruction, as in the Webb's First Deep Field image. Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies. [1] It contains ultra-low levels of particle densities, constituting a ...
Arabic name (vowels) Scientific star name. Acamar. Ākhiru-n-Nahr. the River's or Stream's End / Tail / Edge / Border. آخر النهر. آخِرُ ٱلْنََهْر. Theta Eridani. Achernar.
Space. Space is a three-dimensional continuum containing positions and directions. [1] In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. [2]
Eastern and Western thought differed greatly in their understanding of space and the organization of the cosmos. The Chinese saw the Cosmos as empty, infinite, and intertwined with the Earth. Western ideas, based on the ancient Greeks' understanding of the cosmos, believed in a multi-planar divided cosmos that was finite and filled with air.