Rings of Chariklo

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/rings-of-chariklo

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. Who discovered Rings of Chariklo?March 26, 2014
2. How big is Rings of Chariklo?Potential presence of shepherd moons with comparable mass to the rings
3. What is the celestial body classification?Centaur (10199 Chariklo)
4. What is the ring system composition?Two narrow, dense bands of icy particles and dust
5. How wide are Chariklo's rings?The inner ring is about 6 to 7 km wide, and the outer ring is about 2 to 4 km wide. They are separated by a 9 km gap.
6. Why are Chariklo's rings surprising?Scientists thought only big planets could keep rings, but Chariklo is only about 250 km across and still has stable rings. This shows small bodies can have rings too.

Centaur: A minor planet in the outer Solar System with characteristics of both asteroids and comets, typically possessing unstable orbits.
Stellar Occultation: An astronomical event where a celestial body passes between an observer and a distant star, causing the star's light to be temporarily obscured.
Tidal Forces: Gravitational forces exerted by a celestial body that vary across its diameter, potentially disrupting smaller orbiting objects.
Shepherd Moons: Small moons that orbit near a planetary ring system, using their gravitational influence to maintain the ring's structure and boundaries.