You may be familiar with the Moon turning red during lunar eclipses, but did you know that it can sometimes appear to have a blue hue?
Martin Mangler, a volcano researcher at the Museum, explains what causes a blue moon.
Discover more about the Earth's closest companion: https://www.nhm.ac.uk/discover/how-did-the-moon-form.html
The Natural History Museum in London is home to over 80 million specimens, including meteorites, dinosaur bones and a giant squid.
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