Star catalogue

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/star-catalogue

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 scientific classification?Astronomical catalogue listing stars with their celestial coordinates, brightness, and other properties
2. What is the key principle of measurement?Precise measurement of stellar positions (astrometry) and brightness (photometry)
3. How did star catalogues start?Ancient people wrote down stars they could see with their eyes, and later telescopes helped them find more stars.
4. What information does a star catalogue contain?It lists each star’s position, how bright it looks, its type, and sometimes how it moves.

Astrometry: The branch of astronomy concerned with the precise measurement of the positions and movements of stars.
Apparent Magnitude: A logarithmic scale used to describe the brightness of a celestial object as seen from Earth.
Proper Motion: The apparent angular motion of a star across the sky relative to the background stars.