Every month on Earth Matters, we offer a puzzling satellite image. The December 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

Every month on Earth Matters, we offer a puzzling satellite image. The December 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

Colorado’s Grand Mesa as viewed from a commercial airline flight departing Grand Junction, 5 December 2018. Ground validation measurements are an important part of working with remote sensing ...