Psamathe (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/psamathe-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 Psamathe (moon)?2003
2. What is the type of celestial body?Irregular moon of Neptune
3. What is the estimated diameter?Approximately 140 kilometers (87 miles)
4. What is Psamathe?Psamathe is a tiny, irregularly shaped moon of Neptune, about 140 kilometers across, discovered in 2003.
5. How big is Psamathe compared to other moons?It is only about 140 km in diameter, much smaller than Neptune’s large moon Triton.

Irregular Moon: A moon with a distant, often inclined and eccentric orbit, typically captured.
Orbital Period: The time required for an orbiting body to complete one revolution around its primary.
Capture Dynamics: The process by which a planet's gravity seizes and retains a passing celestial object.
Comparative Planetology: The study of planets by comparing their structures, compositions, and atmospheres.