Webb's First Deep Field

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/webb-s-first-deep-field

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 Webb's First Deep Field known for?Highest-resolution image of the early universe to date
2. What is the telescope platform?James Webb Space Telescope (JWST)
3. What is the primary imaging instrument?Near-Infrared Camera (NIRCam)
4. Why did scientists choose the galaxy cluster SMACS 0723 for the image?SMACS 0723 has a huge mass that acts like a natural magnifying glass, making distant galaxies brighter and easier to see.
5. How many galaxies can we see in Webb's First Deep Field?The image contains thousands of galaxies, including some that are about 13 billion years old.

Observational Cosmology: The study of the universe's origin, evolution, and structure using astronomical observations.
Redshift: The stretching of light waves from distant objects due to the expansion of space.
Gravitational Lensing: The bending of light by massive objects, which can magnify distant galaxies.