NASA | A Laser Scientist Answers 5 Questions About LVIS

The video discusses ELVIS, a high-altitude laser mapping system used to measure Earth's surface, including topography and vegetation. It plays a crucial role in NASA's IceBridge missions, monitoring changes in ice sheets between satellite missions. ELVIS's unique scanning technology allows for efficient data collection over large areas. The system is mounted on NASA's C130 aircraft, enhancing its operational capabilities.

What is the primary purpose of the Elvis system?

• To monitor ocean currents

• To track animal migration

• To map the surface of the Earth

• To measure atmospheric pressure

What is one of the main goals of the Icebridge project?

• To map the ocean floor

• To study the effects of global warming on deserts

• To monitor changes in ice sheets between satellite missions

• To develop new satellite technology

During which months does Icebridge typically conduct its spring mapping in Greenland?

• September, October, November

• March, April, May

• January, February, March

• June, July, August

What unique feature does the Elvis system have to overcome optical limitations?

• A mechanical scanning system that sweeps the field of view

• A large telescope with a fixed field of view

• A high-resolution camera

• A satellite-based imaging system

What type of aircraft is used to carry the Elvis system for data collection?

• A C130 turboprop aircraft

• A glider

• A jet aircraft

• A helicopter