This fall marks 20 years since we began continuous, global measurements of the one thing that, so far, makes Earth different from the thousands of other planets we’ve discovered: life. Our satellites observe plant life on land and at the surface of the ocean, every day.
Follow NASA Earth for an in-depth look this week at how we study our living planet, how it’s changing, and how observing Earth from space is helping lead the way in the quest to find life elsewhere.[fb_vid id=”10155765665501772″]