NASA | CATS in Space Keep Eyes on Atmosphere

The video introduces the CATS project, a lidar instrument designed to measure clouds and pollution in Earth's atmosphere. It explains the basic principles of lidar technology, detailing how the CATS instrument uses a laser system to collect data. The video also discusses the process of data collection and analysis, highlighting the potential applications of CATS data in improving climate models and air quality forecasts. Finally, it outlines the future potential of CATS technology and its use on the International Space Station.

What is the primary purpose of the CATS lidar instrument?

• To measure the temperature of the Earth's surface

• To track the movement of tectonic plates

• To measure clouds and pollution in the Earth's atmosphere

• To monitor ocean currents

How does lidar technology measure atmospheric particles?

• By detecting magnetic fields

• By using radar signals

• By capturing sound waves

• By shining laser light and measuring scattered light

What is unique about the laser used in the CATS instrument?

• It operates only during the night

• It generates three wavelengths of light

• It uses a single wavelength of light

• It is powered by solar energy

What is one of the expected benefits of the CATS technology?

• Enhanced satellite communication

• Faster internet speeds

• More accurate climate models

• Improved weather forecasting

How long is the CATS technology expected to be demonstrated on the International Space Station?

• One year

• Five years

• Three years

• Two years