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
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astroEDU educational activity (links to astroEDU website) Description: Unveiling the mystery of "shooting stars": meteors, meteorites and meteroidsLicense: 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
