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Heliosheath

💡 Words with a Similar Meaning to "Heliosheath"

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WordDefinition
heliospherenoun(astronomy) The region of space where interstellar medium is blown away by solar wind; the boundary, heliopause, is often considered the edge of the Solar System.
heliopausenoun(astronomy) The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.
astrosheathnoun(astronomy) The stellar equivalent of the heliosheath
heliosnoun(Greek mythology) The god of the Sun; son of Hyperion and Theia, brother of Selene and Eos, father of Phaeton amongst others. His Roman counterpart is Sol.
helionnoun(physics, usually) A helium-3 ion, the nucleus of a helium-3 atom. Formula: ³He⁺².
helionautnoun(science fiction, rare) Someone who travels to the Sun; an explorer of the Sun.
hemisphærenounArchaic spelling of hemisphere. [(astronomy, astrology) Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .]
heliothermynounThe condition of being heliothermic
heliumidenounSynonym of helide.
hesperianounLiterally "western land", a term poetically applied by Ancient Greeks to Italy and by Romans to the Iberian Peninsula and Western Africa.
hadley cellnoun(meteorology) A global-scale tropical atmospheric circulation that features air rising near the Equator, flowing poleward at a height of 10 to 15 kilometers above the earth's surface, descending in the subtropics, and then returning equatorward near the surface. This circulation creates the trade winds, tropical rain-belts and hurricanes, subtropical deserts and the jet streams.
heterospherenounThe upper part of the atmosphere, above about 60 miles or 100 km, in which there is great variation in its composition.
heliologistnounOne who studies heliology.
helium hydridenoun(inorganic chemistry) Ellipsis of helium hydride cation, the unstable binary cation HeH⁺ present in interstellar space; it is the strongest acid, reactive with every chemical species except positive ions, including electrons.
helionounA heliotrope (surveying instrument).
heliostatnounA device that includes a plane mirror which turns so as to keep reflecting sunlight toward a predetermined target, compensating for the sun's apparent motions in the sky. The target may be a physical object, distant from the heliostat, or a direction in space, and is almost always stationary relative to the heliostat, so the light is reflected in a fixed direction.
hemispherenoun(geography) Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc. .
photoheliographynounHeliography (photography of the sun), especially as undertaken using a photoheliograph.
heatshieldnounA system designed to protect what is behind it against heat.
hydrospacenounThat part of the Earth, or other planet, that lies below the surface of its lakes, seas and oceans,

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