Get app
Quiz

What does the term 'universe' refer to in astronomy?

or

Tap your pick

Correct answer: All matter and energy within spacetime.

In astronomy, the universe encompasses absolutely everything that exists: all matter and energy contained within the vast expanse of spacetime. This includes not just what we can see, but also theoretical regions and unseen components like dark matter and dark energy, forming the complete cosmic reality.

Read more on Wikipedia
Source: Wikipedia (CC BY-SA)

Not the question you came for?

Ask your own!

In your own words. No account, 20 seconds.

or

Photo Duos, quizzes and more? That's in the free app.

That didn't work. Check the fields and try again.

Would your friends get this right?

Send it to your group chat — see who knows.

WhatsApp
</>Embed on your site

More like this

Votur

Come join us on Votur!

Voting is fun! But the real fun begins when you start asking and sharing.

Vote on taste Duos, play quick quizzes, or make your own — private for friends or public for the world. From now on, you'll always have something to talk about!

Vote on 1,683+ questions like this in the free Votur app →
Get it on Google Play Download on the App Store