1.3 Imaging weather

What is the definition of a satellite?

• A satellite is a type of star.
• A satellite is a planet that has its own atmosphere.
• A satellite is an object that orbits a planet or celestial body.
• A satellite is a spacecraft that travels between galaxies.

What was the name of the first artificial satellite?

• Apollo 1
• Explorer 1
• Sputnik 1
• Vanguard 1

What is the main purpose of artificial satellites?

• The main purpose of artificial satellites is to provide communication, navigation, weather monitoring, and scientific research.
• To create artificial weather patterns
• To launch astronauts into space
• To serve as a source of renewable energy

What type of orbit do weather satellites have?

• Low Earth orbit
• Polar orbit
• Elliptical orbit
• Geostationary orbit

How often do polar orbiting weather satellites circle the Earth?

• Every 24 hours
• twice a day

• Every month

• Every 30 minutes

How do satellites help with natural disaster preparation?

• Satellites help with natural disaster preparation by providing real-time data for monitoring weather patterns and enabling early warning systems.
• Satellites are used to create artificial weather patterns.
• Satellites can predict earthquakes with 100% accuracy.

What is the main advantage of artificial satellites over natural satellites?

• They are made of natural materials like rock and metal.
• They are always larger than natural satellites.
• They can orbit planets without any control.
• The ability to be designed and controlled for specific purposes.

The Moon is an artificial satellite.

• False
• True

Artificial satellites are only used for communication.

• False
• True

Geostationary satellites orbit the Earth at the same speed as the planet.

• False
• True