Galaxies Inside Space

Galaxies Inside Space
#GalaxiesInsideSpace
https://dai.ly/x7xo289 - Galaxies Inside Space are sprawling systems of gas - dust - dark matter - and anywhere from a million to a trillion stars that hold together gravity. Nearly all large galaxies are thought to also contain supermassive black holes at their centers In our Own galaxy the Milky Way - the sun is just one of about 100 to 400 billion stars that spin around Sagittarius A - supermassive black hole that contains as much mass as four million suns. According to the best estimates of astronomers there are at least one hundred billion galaxies in the universe. They've counted the galaxies in a particular region and multiplied this up to estimate the number for the whole universe. The Milky Way is big but some galaxies like Andromeda Galaxy neighbor are much larger. The universe is all galaxies - billions of them! In the section of galaxy classification - Hubble found four distinct types of galaxies: elliptical - spiral - spiral barred and irregular. Although there are different types we also learned that each galaxy contains the same elements but these are arranged differently for each type.

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, literally "milky", a reference to the Milky Way. Wikipedia

What is galaxy in space?
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system. ... A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity.

How many galaxies are there in space?
100 billion galaxies
All in all, Hubble reveals an estimated 100 billion galaxies in the universe or so, but this number is likely to increase to about 200 billion as telescope technology in space improves, Livio told Space.com.

Do galaxies travel through space?
Yes, galaxies do move. They both rotate and move through space. ... Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang. A galaxy which is part of a group of galaxies, called a cluster, also rotates around the center of mass of the cluster.

What are the 4 types of galaxies?
In 1936, Hubble debuted a way to classify galaxies, grouping them into four main types: spiral galaxies, lenticular galaxies, elliptical galaxies, and irregular galaxies. More than two-thirds of all observed galaxies are spiral galaxies.







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