Radio telescope

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/radio-telescope

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 Radio telescope?1933
2. What is the electromagnetic spectrum segment?Radio waves (wavelengths from ~1 mm to >1 km)
3. What is the pioneering instrument?Grote Reber's 31-foot (9.5 m) parabolic dish

Electromagnetic spectrum: The range of all types of electromagnetic radiation, ordered by frequency and wavelength.
Angular resolution: The ability of a telescope to distinguish between two closely spaced objects.
Interferometry: A technique that combines signals from multiple telescopes to achieve higher resolution.
Cosmic Microwave Background (CMB): Faint radiation left over from the Big Bang, providing a snapshot of the early universe.