Solar System vs Galaxy vs Universe

Tuesday, September 15, 2020



Solar system vs Galaxy vs Universe

Our solar system located in the Orion arm of the milky way galaxy. Our solar system consists of the Sun and the objects that orbit it. This includes several objects, including the planets
The eight planets in order from the sun are, 
Mercury,Venus,Earth,Mars,Jupiter, Saturn, Uranus, and Neptune.


Planets in order

Indirect objects include the moons that revolve around the planets.
There are over 200 moons in our solar systems.
In addition you have dwarf planets which include Pluto and Eris and SSSBs ( small solar system bodies) which are: comets, asteroids, and trans-Neptunium objects. 

A galaxy is a gravitational bound  collection of stars, along with their planets, gas,dust, and dark matter.
There are three main types of galaxies, Elliptical, Spiral, and Irregular.
types galaxies


Galaxies range in size from dwarfs with just a few hundred million stars to giants with one hundred trillion stars, each orbiting its galaxy's center of mass.

It is estimated that there are over 1 billion galaxies
Each of the light in this picture created from Hubble telescope observations is a galaxy.

Finally, The universe is a vast expanse of space which contains all of everything in existence. The universe contains all of the galaxies, stars, and planets. The exact size of the universe is unknown. Scientists believe the universe is still expanding outward.

The universe

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