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What is the definition if galaxy?

Updated: 8/16/2019
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Q: What is the definition if galaxy?
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Related questions

Why are stars in your galaxy?

A galaxy is by a definition a group of stars. If there were no stars it could not be a galaxy.


Write the definition for the term galaxy?

Basically it is asking what the definition for galaxy is, it is: A gaint structure that contains hundreds of billions of stars.


What is the definition of barred spiral galaxy?

bcuz teh anwser is the spiral galaxy and teh def is that teh galaxy is spirral. like a apple :P


What is the definition of a symmetrical galaxy?

Two galaxies that look to be the same.


Why is our galaxy The Milky Way even called a galaxy?

A galaxy is a system of stars, gas, dust, and largely dark matter that are bound together by gravity. Our home galaxy fits this definition, so it is called a galaxy.


What active galaxy is sending out radio waves?

That's basically the definition of an active galaxy, so I would say, all of them.


What is the definition of portal?

A gateway to some other place in the galaxy or an the planet.


Which goes first solar system space or galaxy?

That depends on what definition of first you mean. A solar system is in a galaxy and a galaxy is in space. So the solar system is smallest and space is largest.


What is the definition of a Seyfert galaxy?

A spiral galaxy with a small, compact, bright nucleus that exhibits variable light intensity and radio-wave emission.


If the other galaxy bigger than ours or smaller?

By definition the question is incorrect. There are not only 2 galaxies in our universe, but billions. Each galaxy is a different size and is made up of millions or stars and planets. Our galaxy is called the Milky-Way, and our closest neighbouring galaxy is called the Andromeda galaxy.


Which of these is a grouping of billions of stars, gas, and dust held together by gravity?

A galaxy. We live in one corner of a galaxy that we have named the "Milky Way" galaxy. It is thought to contain anywhere from 200 to perhaps 400 billion stars. The grouping of billions of stars, gas, and dust into a physically metastable rotating state by gravity is, by definition, a galaxy.


Is milky way galaxy a homogeneous mixture?

False. The Milky Way Galaxy, our Solar System and the Universe itself are composed of a mixture of known and unknown elements, and light & dark matter. By definition this makes the Milky Way, and the Universe heterogeneous by definition.