WebJan 19, 2024 · A galaxy is a huge collection of gas, dust, and billions of stars all held together by gravity. All galaxies are made up of these same things. However, they come … http://www.spaceopedia.com/space-universe/galaxies/
Galaxy Definition, Formation, Types, Properties, & Facts
WebMar 20, 2024 · It’s impossible to know how many stars exist, but astronomers estimate that in our Milky Way galaxy alone, there are about 300 billion. The life cycle. Unlock this story for free. WebSep 18, 2014 · The invisible matter that we can't detect is called "dark matter." The Swiss astronomer Fritz Zwicky first used the term "dark matter" in the 1930s. He studied the so-called Coma galaxy cluster and, … the great saphenous vein is located
Milky Way Galaxy Facts - Space Facts
WebJan 4, 2024 · Galaxies are composed of stars, dust, and dark matter, all held together by gravity. They come in a variety of shapes, sizes, and ages. WebApr 27, 2024 · Interesting Facts About Galaxies! A galaxy is a huge collection of black holes, stars, brown dwarfs, planets (and their moons), nebulae, interstellar dust and even an unknown amount of the mysterious dark energy & dark matter! All objects in a galaxy are gravitationally bound to one another and are believed (in the case of spiral galaxies) to ... WebMar 23, 2008 · Elliptical Galaxy. Like dust bunnies that lurk in corners and under beds, surprisingly complex loops and blobs of cosmic dust lie hidden in the giant elliptical galaxy NGC 1316. This image made from data obtained with the NASA Hubble Space Telescope reveals the dust lanes and star clusters of this giant galaxy that give evidence that it was ... the great satan at large