13/11/2025
💧 Ever wondered where Earth's water actually came from? 🌍
70% of our planet is covered in water – but where did those 1.3 billion cubic kilometres of ocean come from?
Was it here from the beginning?
Did comets deliver it from space?
Or did it emerge from deep within the Earth itself?
We've just listened to a fascinating BBC Sounds CrowdScience episode that investigates this mind-bending question. From measuring the unmeasurable to tracing water's journey through the universe, it's a brilliant listen for anyone curious about the water we rely on every day.
https://uvwaterfilter.co.uk/blog/have-you-ever-wondered-where-the-worlds-water-came-from/
Earth, it's largely covered by water, in fact, 70% of our planet's surface is water. But where did all that water actually come from?