Arno Allan Penzias

High school (ages 12+)
Science & Technology

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/arno-allan-penzias

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. When was Arno Allan Penzias born?April 26, 1933
2. Where was Arno Allan Penzias born?Munich, Germany
3. Who discovered Arno Allan Penzias?Cosmic Microwave Background Radiation (CMB)
4. What is the primary affiliation?Bell Laboratories
5. What is the nobel prize?Awarded in Physics, 1978, with Robert Woodrow Wilson
6. How did Penzias find the cosmic microwave background?While working with a large radio antenna at Bell Labs, he and his colleague heard a constant hiss from every direction, which turned out to be the cosmic microwave background.

Cosmic Microwave Background (CMB): Relic radiation from the early universe, providing evidence for the Big Bang theory.
Isotropic Radiation: Radiation that is the same in all directions, indicating a uniform origin.
Big Bang Theory: The prevailing cosmological model for the universe's origin and evolution from an initial hot, dense state.
Precision Cosmology: A field of cosmology that uses highly accurate measurements of cosmological parameters to test theories.