Glossary term: 子午線
Description: 經線也稱為子午線。本初子午線被定義為 0 度經線。它穿過英國倫敦的格林尼治，也被稱為格林尼治子午線。180度經線位於 地球的另半邊，經度180 度，是國際日期變更線的基礎。
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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
This is an automated transliteration of the simplified Chinese translation of this term
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) Description: How to navigate at sea like an explorer?License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (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
