From the vantage point of space, data from Landsat has helped increase our understanding of our planet, improve lives, and safeguard our future. Remotely sensed data from Landsat and other NASA instruments helps scientists and resource managers map and measure our planet’s vital signs and study natural and human-caused changes to our climate and environment. Explore the science of remote sensing with these curated stories and activities.
Explore the Globe with NASA
NASA operates dozens of missions to help us understand Earth on a global scale, while also connecting local events and phenomena to the big picture. Discover how NASA uses satellites, airplanes, balloons, ships, ground stations, and the International Space Station, to collect data about our air and clouds; about forests, desert, cities; about ocean currents, temperatures, and life; and ice on land and in the sea.
Did You Know?
Landsat satellites circle the globe every 99 minutes, collecting data about the land surfaces passing underneath. After 16 days, the Landsat satellite has passed over every spot on the globe, and recorded data in 11 different wavelength regions. The individual wavelength bands can be combined into color images, with different combinations of the 11 bands revealing different information about the condition of the land cover.
Numbers to Images
Remote sensing is the process of collecting data from a distance, such as a satellite in orbit above Earth. To create images from satellites, these numbers (or data) are displayed using the primary colors of light — red, green, and blue. In this activity, you will investigate how numbers transmitted from a satellite can be combined to make a beautiful color image.
We’re celebrating 50 years of the Landsat program with five week of summer fun at Camp Landsat! Explore curated activities, StoryMaps, and interactive and learn about how Landsat benefits society.
Join us for nine weeks of summer camp fun! This virtual camp explores a new theme each week about how Landsat satellites help manage, protect, and preserve some of your favorite places on Earth. Your virtual camp counselors have curated an exciting collection of videos, interactives, and downloadable activities you can do at home or with friends of all ages.