Elara (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/elara-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. Who discovered Elara (moon)?Discovered by Charles Dillon Perrine on December 11, 1908
2. What is the object classification?Irregular outer moon of Jupiter, part of the Himalia group
3. What is the orbital period?12 hours, 58 minutes, 30 seconds (approximately)
4. What is Elara?Elara is a rocky outer moon of Jupiter that orbits the giant planet very quickly. It belongs to the Himalia group of irregular moons.
5. How fast does Elara orbit Jupiter?Elara completes one full orbit around Jupiter in about 12 hours and 58 minutes.

Irregular Moon: Moons with orbits that are far from their planet, often inclined and eccentric.
Orbital Dynamics: The study of how celestial bodies move under the influence of gravity.
Albedo: The measure of how much light a surface reflects; a higher albedo means more reflection.