Sep 29, 2020 · So how many galaxies are there in the Universe? Currently, the observable Universe, which has a radius of 46.5 billion light-years, seems to contain at least two trillion …

Oct 8, 2019 · The Milky Way galaxy is an immense, flat, disk-shaped collection of gas, dust, & stars that spreads around 100.000 light-years across. Click for more facts.

Aug 19, 2020 · The Universe is practically everything. From space, time, and their contents, which include planets, stars, galaxies. Click for more.

Jan 8, 2020 · Key Facts & Summary There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These types of galaxies are further divided into subcategories …

Sep 29, 2020 · How Many Planets are in our Galaxy? NASA estimates that there are at least 100 billion planets in our Milky Way alone. Others estimated that the Milky Way galaxy might have …

Sep 29, 2020 · Apart from our Sun, there are many other types of stars out there, but how many stars are in the Milky Way in total? It appears that our Milky Way contains at least 100 billion …

Jan 8, 2020 · Spiral Galaxies Classification Spiral galaxies can be classified according to the tightness of their spiral, the lumpiness of their arms, and the overall size of their central bulge. …

Galaxies are a relatively recent discovery. A couple of years ago, we viewed them as nebulae. Keep reading for more facts perfect for kids.

Sep 25, 2013 · I know Andromeda is our nearest galaxy. But how many known galaxies have been discovered and what are they?

The Hercules–Corona Borealis Great Wall is "to date (February 16, 2015), it is the largest and the most massive structure known in the observable universe" (source). How many galaxies is the …