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How Ancient Greek mathematician Eratosthenes calculated the Earth’s circumference (VIDEO)

The idea that Earth is a sphere was first introduced by another ancient Greek mathematician, Pythagoras, around 500 BC and validated by Aristotle about 200 years later

NASA Earth-Moon system photo shows how small we are! (photo)

Incredible photo

Asteroid to “shoot” past Earth on Wednesday morning

Discovered last week by the US space agency

Will we run out of chocolate? Experts predict treat will disappear in 30 years because cacao plants are perishing!

Cacao production areas are set to be pushed thousands of feet uphill into mountainous terrain which is carefully preserved for wildlife by 2050

A giant skull-faced asteroid is coming back to Earth

When the asteroid flies towards us again in November 2018, it will be 105 times the average lunar distance away

Nasa finds entire solar system filled with eight planets like our own (VIDEO)

Researcher Andrew Vanderburg said he would be surprised if there wasn't even more planets lurking to add to the newly discovered systems

The search for alien life was just dealt a massive blow

The problem has a name: "Stellar Wind"

An out-of-control Chinese space station could crash into Earth

Keep an eye to the sky from January next year

Jupiter’s lights are acting very strange & no one knows why! (VIDEO-PHOTOS)

The dazzling lights on Jupiter have been behaving rather peculiar and even scientists have no idea why

Scientists think life on Earth may have come from outer space

Some have even suggested the first microorganisms could have come from an asteroid which impacted with Earth or another planet such as Mars

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