Astronomical coordinate systems

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Notion

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Science and technology

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What Wikipedia says

In astronomy, coordinate systems are used for specifying positions of celestial objects (satellites, planets, stars, galaxies, etc.) relative to a given reference frame, based on physical reference points available to a situated observer (e.g. the true horizon and north to an observer on Earth's surface).

Excerpt from the Wikipedia article “Astronomical coordinate systems”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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