NGC 1559

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/ngc-1559

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 morphological classification?SB(s)bc (Barred spiral galaxy with inner ring and loosely wound arms)
2. What is the redshift (z)?Approximately 0.005 (indicating its distance)
3. What type of galaxy is NGC 1559?NGC 1559 is a barred spiral galaxy, meaning it has a central bar from which its spiral arms grow. The arms are loosely wound and sometimes form an inner ring.
4. How far away is NGC 1559?It is about 70 million light‑years from Earth, so the light we see left the galaxy when Earth’s continents were very different.

Galactic Bar: A linear structure of stars in the center of some spiral galaxies that influences gas flow and star formation.
Type Ia Supernova: A stellar explosion resulting from the runaway nuclear fusion of a white dwarf star, used as a cosmological standard candle.
Metallicity: The abundance of elements heavier than hydrogen and helium in a celestial object, indicating its chemical enrichment history.