May 12, 2025
Science

If all the bacteria in the world were stacked on top of each other, how many billions of light years would they stretch? The answer is a bit overwhelming!

  • September 21, 2024
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So if we were to line up all the bacteria in the world, how far would this chain go? Just a few kilometers? Or is it more than

So if we were to line up all the bacteria in the world, how far would this chain go? Just a few kilometers? Or is it more than light years? A huge distance?

When you are ready, These microscopic entities are invisible to the naked eye Let’s begin an exciting exploration of the impact this could have on the universe!

How many bacteria are there in the world?

Bacteria are the oldest and most ancient source of life on Earth. one of the most common forms appears as one. There are trillions or even quadrillions of bacteria living in the world.

Research is fair There are 40 million bacteria in even one gram of soil. shows that it can be found. But what about the total number of bacteria on the entire planet?

The total number of bacteria in the world is 5 nonillion (5×1030) It is estimated that. This number is so large that it is almost impossible to visualize it!

If all the bacteria were on top of each other, how big would they be?

Now let’s imagine that we put these bacteria on top of each other. Size of an average bacterium 1 micrometer (0.001 mm) all around. That is, it is about 75 times thinner than a human hair.

If we stack all the bacteria in the world on top of each other like a string, the predicted length is exactly 10 billion light years would be!

In other words, the chain we form with all the bacteria, to the furthest points of the universe It would even go out of reach.

What distance does this correspond to?

10 billion light years sounds so big, right? A light year represents the distance light travels in one year. This is in seconds At 300,000 kilometers It means the distance that moving light travels in one year. What about bacteria?

If all the bacteria on Earth could create a path through space and travel around the Milky Way would circle more than 20,000 times and there would also be a 2cm strip that we could see.

They are not only numerically but also biologically extraordinary.

Although they are often considered harmful, they actually play an important role in sustaining life. They enrich the soil, They help our digestion and some can even live in space!

Even though we can’t see it with our eyes, every time we breathe and every step we take, this is invisible We live with living beings.

Even though we can’t see it with the naked eye, bacteria have much more control than we do!

Sources: Science Focus, Word Atlas

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