Since 1999, Earth Observatory has published 16,000+ images. To celebrate our 20th anniversary and the 50th anniversary of Earth Day, we want you to pick our all-time best image. Each week from March 23 to April 28, you can vote for your favorite images.
Readers will narrow the field from 32 nominees down to one champion in a five-round knockout-style tournament. The brackets are: Past Winners, Home Planet, Land & Ice, and Sea & Sky.
March 26, 2020