One of the most striking planets in the Solar System, Saturn, will look very different this weekend from its usual appearance. Its famous rings will appear nearly completely invisible when viewed from Earth. However, there's no need to worry—this is just temporary.
This phenomenon is an optical illusion caused by the alignment of the planets. Saturn has an orbital tilt of 26.73 degrees, while Earth's tilt is 23.5 degrees. When the two planets align during their orbits around the Sun, Saturn's rings appear almost completely horizontal and face Earth, making them nearly invisible.
Dr. Shannon Schmoll, Director of the Abrams Planetarium at Michigan State University, explained, "As Saturn and Earth orbit the Sun, we sometimes find ourselves in a position where we can see Saturn's rings from their edge. Since the rings are extremely thin, it becomes nearly impossible to see them from this angle."
How will Saturn look without its rings? Those who look at the night sky this weekend may notice that Saturn looks different than usual. The rings will be nearly invisible to the naked eye or through low-power telescopes. However, with more powerful telescopes, one might notice the rings as a thin line running through the center of the planet.
Saturn's rings are much thinner than they appear. According to NASA, the rings' height averages about 30 feet (approximately 9 meters). Even at their thickest points, they only reach 1 kilometer. Considering Saturn's diameter is 116,000 kilometers, the rings have an incredibly thin structure.
When will the rings be visible again? This rare sky event will be most noticeable during the last week of March. The rings will appear almost completely invisible until April. However, as Saturn continues its movement in orbit, the rings will begin to reappear. Dr. Schmoll noted, "With powerful telescopes, the rings can be seen again in a short time. However, for casual observers, it will take several months for the rings to fully become visible again."
HOW RARE IS THIS EVENT?
The disappearance of Saturn's rings in this manner happens approximately every 13-15 years. Previous occurrences happened in 1980, 1995, and 2009. According to NASA, the next disappearance of the rings will occur in 2038 or 2039. Experts say that during that time, Saturn's position will be more favorable for observation, and the disappearance of the rings will be clearer.
Don't forget to look up at the sky this weekend, as Saturn will have an exceptionally unusual appearance without its rings.