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Who invented the telescope?

Many people believe that Galileo Galilei was the first astronomer to invent and build the telescope; however, the first telescope was made by Hans Lippershey...

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What is the coldest planet?

The short answer is that Neptune has the coldest overall average temperature and Uranus has the coldest temperature recorded. The long answer is that once upon...

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What is a constellation?

A constellation is a name given to a group of stars in the sky that make up a certain pattern. Sometimes this pattern is imaginary. When the sky is clear these...

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Why is Mars red?

Mars is one of our neighbouring planets, it is the fourth planet from the Sun and the second smallest planet in our Solar System. Scientists have been very...

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