Glossary term: 流星体
Description: 流星体是指小行星或彗星的碎片，大小范围从几毫米到数十米不等。无论该天体是否有大气层，流星体都可以以极高的速度向任何天体坠落。如果天体有大气层，流星体会因与大气分子碰撞而减速。我们在地球大气层中观测的流星体就是流星。如果流星体未在大气中完全烧毁（或者如果天体没有大气层），它会落到该天体的表面，此时称之为陨石。
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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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Related Activities
Meteoroids, Meteors and Meteorites
astroEDU educational activity (links to astroEDU website) Description: Unveiling the mystery of "shooting stars": meteors, meteorites and meteroids
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Tags:
Geology
Age Ranges:
6-8
, 8-10
, 10-12
, 12-14
Education Level:
Middle School
, Primary
Areas of Learning:
Interactive Lecture
Costs:
Low Cost
Duration:
1 hour 30 mins
Group Size:
Group
Skills:
Analysing and interpreting data
, Asking questions
, Communicating information
, Engaging in argument from evidence
