Hubble 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/hubble-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 Hubble Deep Field known for?Demonstrated the vast number of galaxies and supported the cosmological principle
2. What is the scientific name of observation?Hubble Deep Field (HDF)
3. What is the primary instrument used?Wide Field and Planetary Camera 2 (WFPC2) on the Hubble Space Telescope
4. Why did scientists look at a tiny patch of sky?Scientists chose a small, empty spot so they could see very faint, faraway galaxies without bright stars getting in the way.
5. How long did it take to take the pictures?They took 342 little pictures over ten days in December 1995, adding up to about 150 hours of exposure.

Redshift: The stretching of light waves from distant objects, indicating their movement away from us and their distance.
Isotropic: Having the same properties in all directions; uniform in all directions.
Epoch: A distinct period of time in history, particularly in the history of the universe.