How Many Galaxies are there in the Universe? | Amount & Discovery
Sep 29, 2020 · Currently, the observable Universe, which has a radius of 46.5 billion light-years, seems to contain at least two trillion galaxies. Our galaxy, the Milky Way, is just one among these numerous galaxies, and it isn’t even considered a big galaxy. It stretches for 105,700 light-years in diameter and may contain at least 100 billion planets and ...
Galaxy vs Universe: What’s the Difference? - The Nine Planets
Oct 31, 2023 · The terms universe and galaxy share one common point, they are both terms related to space. Beyond this however the key difference between the two can be compounded by considering a galaxy as an apple and the universe as a fruit bowl. Basically galaxies are part of the universe. Everything that exists does so within the universe as this is the ...
The Universe | Facts, Information, History & Definition - The Nine …
Aug 19, 2020 · The universe is estimated to be made up of 4.9% ordinary (baryonic) matter, 26.8% dark matter, and 68.3% dark energy. Considering only the largest structures, the universe is made up of filaments, voids, superclusters, and galaxy groups, and clusters. Dark matter and dark energy are invisible theoretical matter.
How Big is the Universe? | Size, Why So Big, Infinite & Facts
Sep 29, 2020 · The Universe is so big because it is constantly expanding, and it does so at a speed that even exceeds the speed of light. Space itself is actually growing, and this is going on for around 14 billion years or so. In this amount of time, with speed greater than the speed of light, the Universe gradually grew, and it still expands even to this day.
Galaxies Facts For Kids | Types, Formation, Size, Biggest
The Milky Way is a barred spiral galaxy, and it extends up to 100,000 light-years across. The Andromeda Galaxy is a spiral galaxy that is twice the size of our own galaxy. The Magellanic Clouds are irregular galaxies, and the biggest of them is stretching for merely 7,000 light-years. IC 1101 is an elliptical galaxy, and it spreads out for over ...
Galaxies | Facts, Information, History & Definition - The Nine Planets
Aug 19, 2020 · Galaxies Facts & Information A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. Galaxies are divided into four main groups: spiral, barred spiral, elliptical, and irregular. Browse below our range of galaxy information include the types, names and locations.
Type Of Galaxies | Facts, Information, History & Definition
Jan 8, 2020 · One of the brightest galaxies in the universe is W2246-0526. This galaxy is “stealing” the mass of three nearby galaxies at once. Little Cub is a dwarf galaxy that remained dormant since the Big Bang. It might still contain unchanged molecules since just moments after the rapid expansion of the universe around 13.7 billion years ago.
Spiral Galaxies | Facts, Information, History & Definition
Jan 8, 2020 · Spiral galaxies are a class of galaxies originally described by astronomer Edwin Hubble in his 1936 work The Realm of the Nebulae. They are part of the Hubble sequence a morphological classification scheme for galaxies. Spiral galaxies usually consist of a rotating disk that contains stars, dust, gas, and a concentration of stars known as the ...
How Many Stars Are in the Universe? - The Nine Planets
Sep 29, 2020 · This galaxy contains well above 100 trillion stars, and it stretches for over 5.5 million light-years across. IC 1101 is around 50 times larger than our Milky Way Galaxy, and it is situated at approximately 1 billion light-years / 320 megaparsecs away from us. IC 1101 is the brightest galaxy located in the Abell 2029 galaxy cluster.
Do Galaxies Orbit Anything? | Space Questions - The Nine Planets
Oct 31, 2023 · Although these smaller galaxies do orbit the Milky Way they are actually orbiting our galaxy’s center of mass. One of these satellite galaxies is a Magellanic Cloud that is roughly 163,000 light years away. It is thought to be 1/100 th the size of the Milky Way and does not have the clean spiral shape of our own galaxy.