A1703 zD6

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/a1703-zd6

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 cosmological redshift (z)?Indicates an extremely high redshift, placing it in the early universe
2. What is the star formation rate (SFR)?Characterized by an exceptionally high SFR, indicative of a starburst galaxy
3. Why do scientists study A1703 zD6?Studying A1703 zD6 helps scientists learn how early galaxies grew and how the first stars changed the universe. It gives clues about the universe’s early history.
4. How far away is A1703 zD6?The light from A1703 zD6 has traveled billions of light‑years to reach us. We see it as it was when the universe was very young.

Epoch of Reionization: A period in the early universe when the first stars and galaxies ionized the neutral hydrogen.
Stellar Nucleosynthesis: The process by which elements are created within stars through nuclear fusion.
Spectral Energy Distribution (SED): The total amount of energy emitted by an astronomical object at different wavelengths.