Glossary term: 赤道
Description: 赤道是一条环绕地球的假想线，与南北两极的距离相等，且垂直于地球自转轴。赤道是地球表面距离自转轴最远的一条线。在两极，自转轴与地表相交。在地球表面的经纬度坐标系中，赤道的纬度定义为为零度。赤道将地球分为南北半球。位于北半球的地点，其纬度为正；而位于南半球的地点，其纬度为负。
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
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".
If you notice a factual or translation error in this glossary term or definition then please get in touch.
Related Activities
Seasons Around the World
astroEDU educational activity (links to astroEDU website) Description: Demonstrate the seasons on Earth using a model.
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Tags:
Hands-on
, Model
Age Ranges:
6-8
, 8-10
, 10-12
Education Level:
Middle School
, Primary
Areas of Learning:
Modelling
, Social Research
Costs:
Medium Cost
Duration:
45 mins
Group Size:
Group
Skills:
Analysing and interpreting data
, Asking questions
, Constructing explanations
, Developing and using models
, Planning and carrying out investigations
The Intertropical Convergence Zone
astroEDU educational activity (links to astroEDU website) Description: The air circulation system: how are winds created?
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Tags:
Climate
, Updraft
, Convection
, Winds
Age Ranges:
12-14
, 14-16
Education Level:
Middle School
Areas of Learning:
Discussion Groups
, Modelling
, Social Research
Costs:
Medium Cost
Duration:
1 hour
Group Size:
Group
Skills:
Communicating information
, Constructing explanations
, Developing and using models
, Engaging in argument from evidence
, Planning and carrying out investigations
The Quest for Longitude
astroEDU educational activity (links to astroEDU website) Description: How to navigate at sea like an explorer?
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Tags:
Clocks
, Geography
, Coordinates
, Celestial navigation
, James Cook
, Exploration
Age Ranges:
14-16
, 16-19
Education Level:
Middle School
, Secondary
Areas of Learning:
Discussion Groups
, Modelling
, Social Research
Costs:
Low Cost
Duration:
2 hours
Group Size:
Group
Skills:
Analysing and interpreting data
, Asking questions
, Communicating information
, Developing and using models
, Planning and carrying out investigations
, Using mathematics and computational thinking
Navigating with the Kamal – Northern Hemisphere
astroEDU educational activity (links to astroEDU website) Description: How did Arabian sailors navigate at sea?
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Tags:
History
, Geography
, Coordinates
, Celestial navigation
, Arabia
, Kamal
Age Ranges:
14-16
, 16-19
Education Level:
Middle School
, Secondary
Areas of Learning:
Modelling
, Social Research
Costs:
Low Cost
Duration:
1 hour 30 mins
Group Size:
Group
Skills:
Analysing and interpreting data
, Asking questions
, Communicating information
, Developing and using models
, Planning and carrying out investigations
Discover Earth's climate with a balloon
astroEDU educational activity (links to astroEDU website) Description: Discover the secrets of Earth's climate zones with a hands-on experience
License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons
Age Ranges:
8-10
, 10-12
Education Level:
Middle School
, Primary
Areas of Learning:
Fun activity
, Guided-discovery learning
, Modelling
, Observation based
, Project-based learning
, Social Research
Costs:
Low Cost
Duration:
45 mins
Group Size:
Group
Skills:
Asking questions
, Constructing explanations
, Developing and using models
