Loading...

Glossary term: 流星體

Description: 流星體是指小行星或彗星的碎片,大小范圍從幾毫米到數十米不等。無論該天體是否有大氣層,流星體都可以以極高的速度向任何天體墜落。如果天體有大氣層,流星體會因與大氣分子碰撞而減速。我們在地球大氣層中觀測的流星體就是流星。如果流星體未在大氣中完全燒毀(或者如果天體沒有大氣層),它會落到該天體的表面,此時稱之為隕石。

Related Terms:



See this term in other languages

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".

Related Activities


Meteoroids, Meteors and Meteorites

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 姓名標示 4.0 國際 (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