Rhea (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/rhea-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. What is the type of celestial body?Natural satellite of Saturn
2. What is the diameter?1,527 kilometers (0.119 times Earth's diameter)
3. What is Rhea and where does it orbit?Rhea is Saturn's second-largest moon, about 1,527 kilometers wide. It orbits Saturn at a distance of about 527,040 kilometers and takes 4.518 Earth days to complete one orbit.
4. Why does Rhea have so many craters?Rhea's surface is covered with craters from impacts by asteroids and comets. These craters show that the moon has been bombarded for billions of years.

Synchronous Rotation: A state where a celestial body's rotation period matches its orbital period.
Differentiated Body: A celestial body whose internal structure has separated into layers based on density.
Sputtering: The process where atoms are ejected from a solid surface due to bombardment by energetic particles.