This day in technology » The second asteroid to be discovered, 2 Pallas, was first observed

The second asteroid to be discovered, 2 Pallas, was first observed

On the 28^th March, 1802, Heinrich Wilhelm Matthaus Olbers discovered asteroid 2 Pallas, (the second asteroid to be discovered), which was at first thought to be a planet.

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The first sunglasses were worn by Chinese judges in the form of smoke coloured quartz lenses, used to hide their eye expressions in court.

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The second asteroid to be discovered, 2 Pallas, was first observed

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