Earth Observatory 10th Anniversary
On April 29, 2009, NASA’s Earth Observatory celebrated 10 years of publication. The image collections in World of Change document a decade of Earth history. Plus, see our visitors’ 10 Favorite Images. Learn about the project's history and goals in our 10th anniversary video.
Feature Articles
- Sea Ice
Polar sea ice grows and shrinks dramatically each year, driven by seasonal cycles. Habitat for wildlife and harbinger of changing climate, sea ice offers scientists important clues about the state of our planet.
- Winter Camp: A Blog from the Greenland Summit
Lora Koenig, a remote-sensing glaciologist at NASA’s Goddard Space Flight Center, spent three dark, frigid months supporting research at the National Science Foundation’s Greenland Summit Camp. Near the end of her stay, Koenig emailed the Earth Observatory answers to a few questions about how she wound up in Greenland and what is was like to spend the winter there.
- An Ocean Breeze: Mapping Brazil’s Offshore Wind Power Potential
Searching for alternative sources of energy for his country, one student turned to a NASA satellite to assess the feasibility of offshore wind power in Southeast Brazil.
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News
Special Collections
- Blue Marble
Composite satellite images of the entire Earth.
- Experiments
Hands-on educational activities.
- Visible Earth
A catalog of NASA images and animations of our home planet.
- NASA Earth Observations
View, download, and analyze imagery of Earth science data.
- NASA Global Climate Change
NASA’s Eyes on the Earth
- Glossary
- Overpass Predictor