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How the Discovery of Uranus 240 Years Ago Doubled the Size of the Solar System
Uranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the solar system as we knew it at the time. Here's how a German astronomer ...
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Features of our solar system
The solar system is made up of the Sun (our nearest ... there are millions of asteroids – rocky objects that orbit the Sun and vary in size from 1km to around 1000km. Like planets, asteroids ...