Daphnis (moon)

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/daphnis-moon

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. How big is Daphnis (moon)?Approximately 8 kilometers (5 miles) in diameter, with an irregular shape
2. Who discovered Daphnis (moon)?Discovered in 2005 by the Cassini Imaging Science Team
3. What is the type?Moon (natural satellite) of Saturn
4. What is the orbital distance from saturn?Mean orbital radius of approximately 137,000 kilometers (85,000 miles) from Saturn's center
5. What is Daphnis?Daphnis is a tiny moon of Saturn that lives in its rings. It is only about 8 kilometers across and has an irregular, slightly flattened shape.
6. Why does Daphnis make waves in Saturn's rings?Daphnis's gravity pulls on the ring particles, creating waves and braids that move outward from the moon.

Natural Satellite: A celestial body gravitationally bound to and orbiting a planet or other larger body.
Cassini-Huygens Mission: A joint NASA/ESA/ASI mission that studied Saturn, its rings, and moons from 2004 to 2017.
Keeler Gap: A 42-kilometer wide gap within Saturn's A ring, maintained and dynamically influenced by the moon Daphnis.
Orbital Resonance: A recurring gravitational influence where orbiting bodies exert regular, periodic forces on each other.