S/2003 J 23

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-2003-j-23

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/2003 J 23?2003
2. What is the designation?S/2003 J 23
3. What is the astronomical object type?Natural Satellite (Moon)
4. How fast does S/2003 J 23 orbit Jupiter?It completes one full orbit around Jupiter in just about 7.7 hours, which is much faster than many other moons.
5. Where does S/2003 J 23 come from?Scientists believe it was captured from the asteroid belt or Kuiper Belt, rather than forming together with Jupiter.

Natural Satellite: A celestial body that orbits a planet or a smaller body, often referred to as a moon.
Orbital Period: The time required for a celestial body to complete one full orbit around another celestial body.
Irregular Moon: A moon with a distant, inclined, or eccentric orbit, often believed to be a captured object.
Gravitational Capture: The process by which a celestial body is drawn into orbit around a larger body due to gravity.