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Glossary term: Universe

Description: Space, time, matter, energy, objects, phenomena, and laws that govern the underlying fundamental mechanisms are contained within the Universe. The Universe is often referred to as the cosmos, given that all the various aspects of the Universe come together in an "ordered" system, although there are subtle technical differences between the two terms. Universe is derived from the Latin universus. Scientists often refer to the observable Universe, to emphasize the limits of what can be observed and measured.

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Term and definition status: This term and its definition have been approved by a research astronomer and a teacher

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


History of the Universe

History of the Universe

astroEDU educational activity (links to astroEDU website)
Description: Build a timeline of the all Universe!

License: CC-BY-4.0 Creative Commons Attribution 4.0 International (CC BY 4.0) icons

Tags: History , Timeline , Mathematics , Humans
Age Ranges: 8-10 , 10-12 , 12-14
Education Level: Middle School , Primary
Areas of Learning: Problem-solving , Social Research
Costs: Low Cost
Duration: 1 hour 30 mins
Group Size: Group
Skills: Asking questions , Communicating information , Developing and using models , Using mathematics and computational thinking

Dark matter & dark energy (Part 2) – Understanding the nature of dark matter and dark energy

Dark matter & dark energy (Part 2) – Understanding the nature of dark matter and dark energy

astroEDU educational activity (links to astroEDU website)
Description: Let's investigate the nature of dark matter and energy with gravitational lensing!

License: CC-BY-4.0 Creative Commons Attribution 4.0 International (CC BY 4.0) icons

Tags: Experiment , Invisible
Age Ranges: 12-14 , 14-16 , 16-19 , 19+
Education Level: Informal , Middle School
Areas of Learning: Guided-discovery learning , Interactive Lecture , Modelling , Problem-solving
Costs: Medium Cost
Duration: 45 mins
Group Size: Group
Skills: Constructing explanations , Developing and using models , Engaging in argument from evidence

Dark matter and Dark energy (Part 1) – Discovering the main components of the Universe

Dark matter and Dark energy (Part 1) – Discovering the main components of the Universe

astroEDU educational activity (links to astroEDU website)
Description: Lets' investigate gravity, dark matter and dark energy with some very simple experiments!

License: CC-BY-4.0 Creative Commons Attribution 4.0 International (CC BY 4.0) icons

Tags: Experiment , Galaxies
Age Ranges: 12-14 , 14-16 , 16-19 , 19+
Education Level: Informal , Middle School
Areas of Learning: Guided-discovery learning , Interactive Lecture , Modelling , Observation based , Other , Problem-solving
Costs: Low Cost
Duration: 45 mins
Group Size: Group
Skills: Constructing explanations , Developing and using models , Engaging in argument from evidence , Planning and carrying out investigations