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Glossary term: 子午线

Description: 经线也称为子午线。本初子午线被定义为 0 度经线。它穿过英国伦敦的格林尼治,也被称为格林尼治子午线。180度经线位于 地球的另半边,经度180 度,是国际日期变更线的基础。

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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".

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astroEDU educational activity (links to astroEDU website)
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License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons

Tags: Clocks , Geography , Coordinates , Celestial navigation , James Cook , Exploration
Age Ranges: 14-16 , 16-19
Education Level: Middle School , Secondary
Areas of Learning: Discussion Groups , Modelling , Social Research
Costs: Low Cost
Duration: 2 hours
Group Size: Group
Skills: Analysing and interpreting data , Asking questions , Communicating information , Developing and using models , Planning and carrying out investigations , Using mathematics and computational thinking