Be a Landsat Detective!

Landsat Home decoder
+ Data Decoder PDF

In this activity, you’ll become a data detective and identify what you’re looking at in this Landsat image.


  1. Download the Data Decoder PDF.
  2. Using the Landsat Letter Decoder at the bottom of the page, match up each symbol with the correct letter of the alphabet.

More Satellite Puzzlers Each month, NASA’s Earth Observatory challenges readers to find the location of a mystery satellite image; so, if you like solving geographic mysteries this is for you!

Landsat & Data Learn about the numbers behind the data: find information about where to get data and how to use it to make your own Landsat imagery!

Want to share your creation with the world? Use the hashtags #Landsat and #EarthDayatHome on Twitter and post your completed puzzle. Accompany your tweet with you favorite thing about our home planet!