Web Results

en.wikipedia.org/wiki/Galaxy

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 ...

spaceplace.nasa.gov/galaxy/en

Sep 8, 2015 ... 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.

nightsky.jpl.nasa.gov/news-display.cfm?News_ID=573

Many people are not clear about the difference between our Solar System, our Milky Way Galaxy, and the Universe. Let's look at the basics. Our Solar System ...

www.ask.com/youtube?q=What+Is+a+Galaxy%3F&v=FtHVoM4QFf8
Oct 22, 2012 ... Science expert Emerald Robinson explains what a galaxy is and discusses our own Milky Way Galaxy. To view over 15000 other how-to, DIY, ...

www.universetoday.com/30534/what-is-a-galaxy

May 6, 2009 ... The simple answer is that a galaxy is a collection of stars held together ... In other words, all the stars in a galaxy are kept together by the gravity ...

web.utah.edu/astro/galaxy.html

Each galaxy contains upwards of 100's of billions of stars, planets, solar systems, nebulae, black holes, etc. Each galaxy we've seen has been unique in its form, ...

hubblesite.org/reference_desk/faq/all.php.cat=galaxies

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 ...

www.nationalgeographic.com/science/space/universe/galaxies

Galaxies are sprawling space systems composed of dust, gas, and countless stars. The number of galaxies cannot be counted—the observable universe alone ...

www.dictionary.com/browse/galaxy

Galaxy definition, a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. See more.