Landsat 7 helps track Antarctica's emperor penguins
By National Land Imaging Program
2009 (approx.)
![Satellite showing penguins track.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/L-7-Penguin.jpg?itok=y4pZVbTq)
Detailed Description
Satellite image from Landsat 7 which was used to track Antarctica's emperor penguins.
Sources/Usage
Public Domain.