OV1-15

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/ov1-15

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. How big is OV1-15?Earth's upper atmosphere and ionosphere
2. What is the satellite program?Orbiting Vehicle (OV) program
3. What is the launch date?October 21, 1969
4. What was OV1-15 and why was it launched?OV1-15 was a small satellite launched in October 1969 by the U.S. Air Force. It was built to study Earth's upper atmosphere and ionosphere, helping scientists learn about space near Earth.
5. Where does the ionosphere exist?The ionosphere is a layer of Earth's atmosphere that starts about 60 kilometers above the surface and goes up to around 1,000 kilometers. It is where solar light turns gases into charged particles.

Ionization: The process by which an atom or molecule acquires a negative or positive charge by gaining or losing electrons.
Space Weather: The dynamic conditions in space, particularly in the region surrounding Earth, influenced by solar activity.
Atmospheric Drag: The resistive force exerted by the atmosphere on an object moving through it, particularly relevant for satellites.