Galaxy filament

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/galaxy-filament

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. How long is the Galaxy filament?Commonly 50-80 megaparsecs (160-260 megalight-years); Quipu is 400 megaparsecs
2. What is the category?Largest known structures in the universe
3. What is the discoverer?Astronomers through large-scale galaxy redshift surveys
4. How big are galaxy filaments?Most filaments are about 160 to 260 million light‑years long, but the biggest one, Quipu, stretches about 1.3 billion light‑years. Some scientists think there could be even larger ones.
5. Why do galaxy filaments form?They form because tiny bumps in the early universe pulled matter together with gravity. Over billions of years, these bumps grew into long threads of galaxies.

Cosmological Models: Theoretical frameworks used to describe the origin, evolution, and large-scale structure of the universe.
Dark Matter: An invisible form of matter that interacts gravitationally but does not emit or absorb light.
Cosmic Expansion: The ongoing increase in the distance between distant parts of the universe with time.