Earth observation satellite

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/earth-observation-satellite

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 high is Earth observation satellite?500 to 600 kilometers
2. What is the first artificial satellite launch date?October 4, 1957
3. What is the first weather television footage from space?TIROS-1, launched April 1, 1960

Remote Sensing: The acquisition of information about an object or phenomenon without making physical contact, typically from aircraft or satellites.
Passive Sensors: Instruments that detect naturally occurring radiation, such as reflected sunlight or emitted thermal energy.
Active Sensors: Instruments that emit their own energy (e.g., radar pulses) and measure the returning signal.
Sun-synchronous Orbit: A near-polar orbit designed so that the satellite passes over any given point on Earth at the same local solar time.