SN 1994D

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-1994d

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. Who discovered SN 1994D?1994
2. What is the supernova type?Type Ia
3. What is the host galaxy?NGC 4526
4. Why do scientists study SN 1994D?It helps them measure how far away galaxies are and learn how the universe is expanding.
5. How does a Type Ia supernova like SN 1994D happen?A white dwarf star in a pair of stars gains too much mass, reaches a limit, and then explodes in a huge fire.

Chandrasekhar Limit: The maximum mass a stable white dwarf star can sustain before collapsing or detonating.
Absolute Magnitude: The intrinsic brightness of a celestial object, measured as if it were at a standard distance of 10 parsecs.
Light Curve: A graph showing the change in brightness of a celestial object over time.
Dark Energy: A hypothetical form of energy believed to permeate all of space and drive the accelerated expansion of the universe.