Dragonfly: 

Based on estimates from NASA, if all the water on Earth were condensed into a single sphere, it would have a diameter of about 860 miles (1379 km). This would make it slightly smaller tha

If all the water on earth was condensed into a single sphere, how big would it be compared to other planets in our solar system?



Based on estimates from NASA, if all the water on Earth were condensed into a single sphere, it would have a diameter of about 860 miles (1379 km). This would make it slightly smaller than Mercury and slightly larger than Mars.