Chelyabinsk meteor

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/chelyabinsk-meteor

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 Chelyabinsk meteor?Approximately 18 meters (60 feet) in diameter
2. How heavy is Chelyabinsk meteor?Approximately 9,100 metric tons (10,000 short tons)
3. How high is Chelyabinsk meteor?Approximately 30 kilometers (18.6 miles) above the surface
4. What is the event date and time?February 15, 2013, approximately 09:20 YEKT (03:20 UTC)
5. What is the atmospheric entry angle?Shallow 18-degree angle
6. What was the Chelyabinsk meteor and when did it happen?The Chelyabinsk meteor was a big rock from space that exploded in the sky over Russia on February 15, 2013.

Superbolide: An exceptionally bright meteor, often exceeding the brightness of Venus or the full Moon.
Airburst: An explosion of a meteor or bomb in the atmosphere before reaching the ground.
Shock Wave: A wave of compression produced by an explosion or supersonic object, capable of causing significant damage.
Near-Earth Object (NEO): A celestial body, such as an asteroid or comet, whose orbit brings it into proximity with Earth.