A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar
gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias ...
We live on a planet called Earth that is part of our solar system. But where is our
solar system? It's a small part of the Milky Way Galaxy. A galaxy is a huge ...
The name of our galaxy is the Milky Way. Our Sun and all of the stars that you see
at night belong to the Milky Way. When you go outside on a dark night and ...
A galaxy is, by definition, any large collection of stars that can be recognized as a
distinct physical entity. In terms of the number of stars, a small 'dwarf irregular' ...
May 6, 2009 ... ... heard that our Sun is located in the Milky Way galaxy. But what is a galaxy
anyway? The simple answer is that a galaxy is a collection of s.
Galaxies are huge collections of stars, dust and gas. They usually contain several
million to over a trillion stars and can range in size from a few thousand to ...
There are billions of Galaxies in the Universe. Some are very small with only a
few million stars. While others could have as many as 400 billion stars, or even ...
A composite image of the Messier 81 (M81) galaxy shows what astronomers call
a "grand design" spiral galaxy, where each of its arms curls all the way down ...
Galaxy definition, a large system of stars held together by mutual gravitation and
isolated from similar systems by vast regions of space. See more.
www.ask.com/youtube?q=What Is a Galaxy?&v=-gbOt1knW3s
Feb 28, 2013 ... Hi, I'm Emerald Robinson. In this "What Is" video we'll take a look at the largest
known visible objects in our universe, galaxies. Galaxies are ...