On March 10th 1977, when Uranus passed between a star and the earth, we discovery that Uranus has rings. Further observations of Uranus showed that it had 10 rings and several small satellites (moons).
March 10th 1977
March 10th 1977
- Rings of Uranus – Wikipedia
The first mention of a Uranian ring system comes from William Herschel’s notes detailing his observations of Uranus in the 18th century, which include the following passage: “February 22, 1789: A ring was suspected”.
- Uranus Rings – Universe Today
We’re all familiar with the beautiful rings around Saturn. In fact, you can see them with any backyard telescope. But did you know that Uranus has rings too?
- Uranus – Rings | Planets – NASA Solar System Exploration
When two teams of scientists set up to watch Uranus pass in front of star SAO 158687 in 1977, they expected a rare chance to observe a distant planet. Instead, they made a major discovery: Uranus, like Saturn, is encircled with a band of rings.
- March 10, 1977 – Rings of Uranus Discovered – FirstAndMonday
For being the third largest body in our solar system not including the Sun, there really wasn’t much info about Uranus until the invention of powerful modern telescopes.
- Astro Did You Know?: Discovery of Uranus’ Rings
We have discussed before that all the gas planets in the solar system have rings.
- Does Uranus have rings? | Cool Cosmos
Yes, Uranus has 9 brighter rings as well as several fainter rings. Some of the larger rings are surrounded by belts of fine dust.
- Today in science: Discovery of Uranus | Space | EarthSky
It was the first planet found since ancient times. William Herschel noticed it in 1781 during a routine survey of the stars.
- Uranus – Solar Views
Uranus is the seventh planet from the Sun and is the third largest in the solar system. It was discovered by William Herschel in 1781.