Glossary term: 日珥
Description: 日珥（prominences, 或filaments）是由于太阳周围的磁场而形成的等离子体环。这些现象是暂时的，但可能会持续数周或数月，在日食期间经常可以拍到。一个典型的日珥延伸超过数千公里（km）；记录中最大的日珥估计超过800,000公里长，大约是一个太阳半径的长度。就像许多太阳现象一样，人们也认为其他恒星也会展示出日珥现象。
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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
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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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
