How many rings surround Saturn?

Among all the planets adorned with rings, Saturn stands out as the most iconic. These colossal rings were first glimpsed by Galileo through a basic telescope in 1610. However, it wasn't until decades later that another scientist decoded the mysterious 'arms' Galileo had seen. NASA has since referred to Saturn's rings as 'the most distinctive feature of any planet in our solar system.'

So, just how many rings does Saturn actually possess? If they’re visible from your backyard, surely there must be a vast number, right?

Scientists are still uncertain about the exact count of Saturn's rings. While there are eight primary, named ring systems extending over 175,000 miles, there are many more than eight rings in total. These systems are named alphabetically based on their discovery. (Astronomers have recognized ring groups A, B, and C since the 17th century, with others being more recent finds, the latest discovered in 2009.)

The rings visible in images of Saturn, even in high-resolution shots, aren’t individual rings but are made up of thousands of smaller ringlets. They can appear quite different, showing irregular ripples, bends, and spokes. The icy particles that form Saturn's rings vary in size, from dust specks to massive chunks the size of a mountain.

Though the gaps between Saturn's rings are generally narrow, the Keeler Gap—26 miles wide—can fit several tiny moons inside. The largest ring system, discovered in 2009, begins 3.7 million miles from Saturn and extends another 7.4 million miles outward. However, it’s almost invisible without an infrared camera.

Researchers continue to uncover new rings and additional details about Saturn’s existing rings. In the early 1980s, NASA's Voyager missions captured the first high-resolution images of Saturn and its rings, revealing unexpected kinks in the narrow F ring. In 1997, NASA's Cassini orbiter was launched to continue exploring the ringed planet, leading to the discovery of faint rings that remained hidden until Cassini arrived in 2006. Before Cassini is sent to its fiery end in Saturn’s atmosphere in September 2017, it will make 22 dives through the space between the planet and its rings, providing valuable close-up data about the system.

Although it's possible to see Saturn's rings with just a basic telescope, it’s not guaranteed. The rings’ visibility depends on the planet's tilt—if you're viewing them edge-on, they may appear as a thin line or, depending on the zoom, might not be visible at all. However, 2017 is a favorable year for observing Saturn, so it’s a great time to catch a glimpse of the sixth planet.