SN 2008D

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/sn-2008d

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 SN 2008D?SN 2008D is a bright exploding star, a Type Ib supernova, that was seen in the galaxy NGC 2770 on July 18, 2008.
2. Why did SN 2008D not have hydrogen in its light?The star that exploded had lost its outer hydrogen layer before it collapsed, so the light from the explosion shows no hydrogen lines.

Core Collapse Supernova: A supernova resulting from the gravitational collapse of the core of a massive star.
Nucleosynthesis: The process by which new atomic nuclei are created in the universe, primarily within stars and supernovae.
Shock Breakout: The moment when a supernova shockwave emerges from the surface of the star, releasing a burst of radiation.
Galactic Chemical Evolution: The study of how the abundance of chemical elements in galaxies changes over cosmic time.