Earth
Space

Why are all the planets round?

Planets are basically round because of the way that gravity works – if you imagine all of a planet’s mass concentrated at its core, then it’s pulling with equal force in every direction. Provided the gravity is strong enough and … Continued

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FEATURED: All About History

If the Germans had invaded England…Part 1

In the late 19th century, Britain feared that the centre of the Empire, London, was not protected sufficiently from an attack. As a result, over a dozen forts were built surrounding London in the…

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Space

Is it possible to build a time machine?

So far it is only possible to travel forward in time, and only by fractions of a second. Imagine there are two identical twins; the first travels into space in a high-speed rocket, while the other remains on Earth. When the … Continued

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