Himalia group

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/himalia-group

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 Himalia group?1904
2. What is the group members?Himalia, Leda, Elara, Lysithea
3. What is the largest moon diameter?Himalia: ~170 km
4. What are the Himalia group moons?They are four small, irregular moons of Jupiter: Himalia, Leda, Elara, and Lysithea. They are rocky and have potato‑like shapes.
5. How big is Himalia compared to other moons?Himalia is about 170 kilometers across, making it the largest of Jupiter's irregular moons.

Irregular Satellites: Moons with distant, inclined, and often eccentric orbits, typically small and non-spherical.
Orbital Inclination: The angle between an object's orbital plane and a reference plane (e.g., Jupiter's equatorial plane).
Protoplanetary Disk: A rotating disk of dense gas and dust surrounding a newly formed star, from which planets form.
Tidal Forces: Gravitational forces exerted by a celestial body that cause stretching or compression on another body.