S/2009 S 1

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/s-2009-s-1

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 S/2009 S 1?2009
2. What is the celestial body classification?Natural satellite (moon) of Saturn
3. What is the estimated diameter?Approximately 400 meters (0.25 miles)
4. How big is S/2009 S 1 compared to other moons?It is only about 400 meters across, which is much smaller than most moons. This makes it a micro‑moon, a very small natural satellite.
5. Where does S/2009 S 1 orbit around Saturn?It travels about 140,000 kilometers from Saturn. Its path is inside the main rings, near the edge of the Cassini Division.

Micro-moon: An extremely small natural satellite, typically less than a kilometer in diameter.
Shepherd Moon: A moon whose gravitational pull shapes and confines planetary ring particles.
Orbital Resonance: A recurring gravitational influence where orbiting bodies exert periodic forces on each other.
Cassini Division: A prominent gap within Saturn's main rings, influenced by gravitational interactions.