Ancient astronomers from almost every culture knew of seven things in the sky that moved.

Six of them were the sun, the moon, Mercury, Venus, Mars, and Jupiter.

The seventh and slowest of the moving things was the one named after the Roman god of time, Saturn.

For century, Saturn was just a dot in the sky.

Then when telescopes were invented, our perception of the planet changed dramatically.

Learn more about Saturn and what makes it different from every other planet in the solar

system on this episode of Everything Everywhere Daily. Book your ticket to happiness with Sun Express Airlines. The names of the planets that we use in English came from the Romans.

There was a sort of logic to how the names were given out.

The planet that moved the most was named after the winged messenger god Mercury.

The planet that showed up at dusk and dawn was

named it for the goddess of beauty Venus. The reddish point of light was

named after the god of war, Mars. And the slowest moving point of light was

named after the Roman god of time Saturn.

The ancients couldn't have known, but it turned out the reason why Saturn moved so slowly

is because it was the furthest away.

Saturn lies about 1.4 billion kilometers, on average, away from the sun.

And to put that into perspective, that's a little under twice as far as Jupiter is from the sun

and about 10 times the distance that the Earth is from the Sun.

In terms of size, Saturn is the second largest planet in the solar system.

Jupiter is around 143,000 kilometers in diameter and Saturn is about 120,000 kilometers in diameter, and Saturn is about 120,000 kilometers in diameter.

Yeah, Saturn is pretty big, but that isn't the defining characteristic of the planet.

The thing about Saturn, which is really different, is its density.

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