What is the difference between nebula and galaxy? - ProProfs Discuss
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What is the difference between nebula and galaxy?

Asked by R. Barnes, Last updated: Apr 08, 2024

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3 Answers

I. Muller

I. Muller

I. Muller
I. Muller, Math Professor, North Carolina

Answered Oct 07, 2020

When you say nebula, you are referring to something that can be seen in the universe that is made out of dust and gas. The nebula is normally big but it will still be smaller than a galaxy. The galaxy is going to contain so many other things other than the nebula. A galaxy would usually be composed of stars.

You will also notice that a galaxy will also have black holes, dark matter, and so many other things that may not have been discovered just yet. From cosmic dust to so many other things, you will definitely find so many things in a galaxy.

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E. Stanley

E. Stanley

E. Stanley
E. Stanley, Technical writer, Indianapolis

Answered Sep 15, 2020

Nebula and galaxy are two different things that are present in the world we live in; nebula has always been taken for other features we have in space, particularly galaxy.

A nebula is a cloud of interstellar dust and other ionized gases, particularly helium and hydrogen. The word nebula is a Latin word that means “cloud.” A nebula is present inside a galaxy.

When a lot of mass accumulate within a nebula, the gravitational attraction increases, and the nebula collapses to form a star.

A galaxy is a huge collection of stars that are held together by gravitational attraction; it can be simply referred to as the star system .a galaxy is not contained inside a nebula. Galaxies exist in different sizes, shapes, and also their brightness varies. They are classified into three categories, which include spiral, elliptical, and irregular.

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M. Klose

M. Klose

M. Klose
M. Klose, Content Writer, Oakland

Answered May 05, 2020

Nebula and galaxy happen to be two different things present in the universe in which we live. The nebula is directly a Latin word, which means the cloud. Nebula, however, is more than just a cloud. It happens to be a cloud of interstellar dust together with other ionized gases like hydrogen and helium to be precise. On the other hand, a galaxy is a large collection of stars that are held together with the help of gravitational attraction.

A galaxy constitutes the system of stars, star clusters together with interstellar dust. Another difference between these two is that the galaxy is far larger than nebula by a great number of magnitudes. In addition, we can find nebula in a galaxy, whereas a galaxy cannot be contained inside a nebula. Galaxies are classified based on their different sizes, shapes, and brightness into a spiral, elliptical, and irregular galaxies.

Conversely, the nebula is classified into these four types based on their structures: emission nebulae, dark nebulae, hill regions, and supernova remnants. On the other hand, Nvarchar happens to be a column that can store Unicode data at any length. 8-bit coding is the code page that Nvarchar should adhere to.

A significant difference between Varchar and Nvarchar is their sizes, of which the former has a maximum capacity of 8000, while the latter has a maximum size of 4000. This simply means that Varchar's single column can contain up to 8000 characters, while Nvarchar's single column can contain up to 4000 characters at most.

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