Glossary term: 日珥
Description: 日珥（prominences, 或filaments）是由於太陽周圍的磁場而形成的等離子體環。這些現象是暫時的，但可能會持續數周或數月，在日食期間經常可以拍到。一個典型的日珥延伸超過數千公里（km）；記錄中最大的日珥估計超過800,000公里長，大約是一個太陽半徑的長度。就像許多太陽現象一樣，人們也認為其他恆星也會展示出日珥現象。
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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: Explore the tactile version of our star; the Sun with household materials.License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons
Tags: Hands-on , Model , Sunspots , Visually Impaired , Tactile Age Ranges: 6-8 , 8-10 , 10-12 Education Level: Middle School , Primary , Secondary Areas of Learning: Interactive Lecture , Modelling Costs: Low Cost Duration: 1 hour Group Size: Group Skills: Analysing and interpreting data , Developing and using models
