List of NGC objects (3001–4000)

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/list-of-ngc-objects-3001-4000

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 catalog publication year?1888
2. What is the primary compiler?John Louis Emil Dreyer
3. What is the NGC catalog and why does it have numbers like 3001–4000?The NGC catalog is a list of galaxies, nebulae, and star clusters that astronomers use to keep track of objects in the sky. The numbers help scientists find each object quickly and compare it with other data. It began in 1888.
4. Why are the NGC objects from 3001 to 4000 special?They include many different kinds of galaxies and nebulae that help scientists learn how galaxies grow and how stars are born. These objects also show the history of how astronomers discovered and recorded the universe.

Extragalactic astronomy: The branch of astronomy concerned with objects outside our own Milky Way galaxy.
Interstellar medium: The matter and radiation that exist between the star systems in a galaxy.
Spectroscopy: The study of the interaction between matter and electromagnetic radiation, used to analyze light from celestial objects.
Morphological characteristics: The study of the form and structure of celestial objects, like spiral or elliptical galaxies.