See additional notes, No. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. sphere / sfi(ə)r / • n. 1. a round solid figure, or its surface, with every point on its surface equidistant from its center. This article was most recently revised and updated by, https://www.britannica.com/science/sphere. If the solvent within a solution is not water, then the chemical spheres created are more generally known as solvation shells. A sphere with radius r r r has a volume of 4 3 π r 3 \frac{4}{3} \pi r^3 3 4 π r 3 and a surface area of 4 π r 2 4 \pi r^2 4 π r 2. : 3. an…. sphere definition: 1. an object shaped like a round ball: 2. a subject or area of knowledge, work, etc. a celestial body. the sky perceived as a vault upon or in which celestial bodies are represented as lying. Mathematics A three-dimensional surface, all points of which are equidistant from a fixed point. The Four Spheres of Earth: Geosphere, Hydrosphere, Biosphere, … ‘Anyway, the large sphere is the planet, obviously.’ ‘These heavenly spheres, eternally revolving, produce harmonious sounds only the truly inspired can hear.’ ‘Planets float about the sphere as satellites, the bright sun rakes across its surface, and you want to move under it … Sphere, In geometry, the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters. All words containing SPHERE are listed here. sphere (n.) mid-15c., Latinized spelling of Middle English spere (c. 1300) "cosmos; space, conceived as a hollow globe about the world," from Anglo-French espiere, Old French espere (13c., Modern French sphère), from Latin sphaera "globe, ball, celestial sphere" (Medieval Latin spera), from Greek sphaira "globe, ball, playing ball, terrestrial globe," a word of unknown origin. Show or EventSphere Science. celestial sphere, sphere, empyrean, firmament, heavens, vault of heaven, welkin (noun) the apparent surface of the imaginary sphere on which celestial bodies appear to be projected. The concept is a thought experiment that attempts to explain how a spacefaring civilization would meet its energy requirements once those requirements exceed what can be generated from the home planet's resources alone. (mathematics, physics) Any of a set of spherical shells, one inside the other. Accessed 18 Jan. 2021. The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life. sphere (noun) a three-dimensional closed surface such that every point on the surface is equidistant from the center. See the full definition for sphere in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for sphere, Nglish: Translation of sphere for Spanish Speakers, Britannica English: Translation of sphere for Arabic Speakers, Britannica.com: Encyclopedia article about sphere. Possible SPHERE meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. The definition of a sphere is a ball shape where the surface is the same distance from the center at all points or a level of society. Meaning of political sphere. Let us know if you have suggestions to improve this article (requires login). What TV shows or movies have you been turning to this year for comfort, sanity, and support? Delivered to your inbox! But then again, neither is much else. Sphere, In geometry, the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters. 'Nip it in the butt' or 'Nip it in the bud'? Part 1: the Economy of Vegetation. Hemisphere definition: A hemisphere is one half of the earth . The components and properties of a sphere are analogous to those of a circle. Definition; A circle is a closed curved line. SplashLearn is an award winning math learning program used by more than 30 Million kids for fun math practice. A geodesic, the shortest distance between any two points on a sphere, is an arc of the great circle through the two points. “Sphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sphere. The sphere can include an additional category in the third dimension, which can be interpreted in various ways, as we will see. | Meaning, pronunciation, translations and examples How to use hemisphere in a sentence. Ring in the new year with a Britannica Membership. any of the transparent, concentric, spherical shells, or layers, in which, according to ancient belief, the planets, stars, and other heavenly bodies were set. DeepSphere, presented in Figure 2, is a neural network architecture that was designed to help cosmologists to process spherical data they deal with daily. Researchers at NOAA developed Science On a Sphere ® as an educational tool to help illustrate Earth System science to people of all ages. Each point on this curved line is on the same distance from the focal point (center) of the circle. We run Science Shows outside with social distancing. Define biosphere. However, when you search for something on The Science … Longitudinal sound waves (with displacements parallel to the direction of propagation) have speeds different from transverse waves (with displacements perpendicular to the direction of propagation), as…. Sphere Science Shows. A sphere has several interesting properties, one of which is that, of all shapes with the same surface area, the sphere has the largest volume. Sphere packing is the problem of arranging non-overlapping spheres within some space, with the goal of maximizing the combined volume of the spheres. For example, you might choose to research volcanoes and explain how they affect each sphere. In science, each of us knows that what he has accomplished will be antiquated in ten, twenty, fifty years. Also learn the facts to easily understand math glossary with fun math worksheet online at SplashLearn. In the classical case, the spheres are all of the same sizes, and the space in question is three-dimensional space (e.g. Angles, lines, and curves are necessary before anything can be constructed and one of the characteristics all symbols have in common is that each is constructed of one or more basic shapes. Sphere is a 1987 novel by Michael Crichton, his sixth novel under his own name and his sixteenth overall. Science On a Sphere (SOS) is a spherical projection system created by the United States National Oceanic and Atmospheric Administration (NOAA). To book this activity, please contact: Sarah Sisson Definition of a Sphere A sphere is a geometrical figure that is perfectly round, 3-dimensional and circular - like a ball. Geography and is one half of the same distance from the center generally known as solvation shells 'sphere. T a good pandemic allegory, really, at all celestial body such... Have been given to these shapes you might choose to research volcanoes and how. 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