Solar System Facts


The Solar System has Eight Planet


This includes the planets Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune as well as the dwarf planet Pluto, asteroids and comets. 


Earth is only a very small part of The Solar System

Earth is a big place but within the solar system it is quite small. It would take 1.3 million planets the size of Earth to fill up the sun. Earth is a lot smaller than planets like Jupiter and Saturn. 


The Solar System formed 4.6 Billion years ago

The Solar System was formed 4.6 billion years ago from a cloud of gas and dust called the solar nebula. 


The Solar System is part of The Milky Way

The solar system is part of the Milky Way, There are at least between 250 to 500 billion stars in our Milky Way galaxy – there might even be more.  


The Sun is 93 million miles from the Earth

That’s the same as taking 1000 trips to Australia! Even though it’s so far away the light from the Sun only takes 8 minutes to travel to the Earth.


All planets and the Sun in the Solar System are shaped like ball

Once upon a time people thought the Earth was flat. We now know, and can prove through satellite pictures, that it is a sphere. All planets, as well as the Sun, are balls too. 


Planets in our Solar System are different temperature

The hottest planet is Venus with an average temperature of 460°C and the coldest planet is Uranus with an average temperature -220°C. By comparison Earth’s average temperature is 15°C. 


There are 181 moons in The Solar System

Saturn or Jupiter have more moons. Currently Jupiter and Saturn both have 53 confirmed moons but they also both have more than 30 moons NASA haven’t confirmed.  


Neptune was the last planet to be discovered in The Solar System

Neptune was the last planet to be discovered. On the night of 23rd September 1846 astronomers discovered Neptune through a telescope. 


You can see Venus from Earth

You can  sometimes see Venus, which is also known as the evening or morning star. 

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