What is the Biggest Thing Ever Made?

February 14, 2024

Whether we’re talking about colossal ancient structures or man-made megastructures, there are plenty of big things in the world. Some of them, like the Danyang-Kunshan Grand Bridge in China, are so large that you can barely see the end of them. Others, such as the Seawise Giant, a super-sized crude oil tanker once used for shipping across the oceans, are so huge that they seem to defy logic.

On the natural side of things, some animals are far bigger than others. The biggest animal, based on volume, is the blue whale. At full maturity, one of these enormous mammals can weigh more than 180,000 kg – equivalent to 40 elephants or 30 Tyrannosaurus Rex.

But even these gigantic creatures are dwarfed by some of the largest objects in the universe. The observable universe is so vast that it takes light 10 billion years to cross the Hercules-Corona Borealis Great Wall, a massive cosmic structure created by stars and other cosmic matter.

The biggest thing in the universe may not be a single object at all, but a group of galaxies called a galaxy cluster. There are currently six known galaxies in the Milky Way galaxy that are part of this massive group, including our own.

Other cosmic structures are astronomically huge too. A supercluster is a massive grouping of galaxies, each one much larger than our own galaxy. And then there are supermassive black holes, which astronomers believe may be the largest entities in the universe, dwarfing both stars and galaxies.


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