NASA Earth Observatory : Home

Return | Explore All Image of the Day for September 21, 2012

Left

Seeing Through Smoke

Signs of the U.S. Drought Are Underground

American West Continues to Burn

Watching the Ozone Hole Before and After the Montreal Protocol

Kuwait City at Night

Volcán de Fuego

Queensland’s Channel Country

Gas Flares in Bahía de Campeche

Wildfires in Siberia

Flooding in Nigeria

Another Foggy Day in San Francisco

Istanbul at Night

Varied Landscapes of Northern Australia

Two Views of Tropical Storm Leslie

Meeting of the Waters

Fall Snow in Siberia; Spring Snow in Tasmania

A Voyager Far From Home

Horton River Delta, Arctic Canada

Sutter Buttes, California

Flooding and Drought in Etosha Pan

Ice Loss on Puncak Jaya

Probing the Electric Space Around Earth

Night View of Hurricane Isaac

Hurricane Isaac

Arctic Sea Ice Drops below 2007 Record

Strandplain, Coastal Peru

Fedchenko Glacier

Restoration of the Elwha River

Remembering Hurricane Andrew

Low Water on the Mississippi Causes Barge Backup

Wildfire on Chios

Mississippi River Well Below Normal

Walker Lake, Nevada

Wildfires Send Smoke Across the United States

Water: A Precious Resource in the Yanqi Basin

Mapping the Hot Summer

Right

Seeing Through Smoke

The Advanced Land Imager (ALI) can “see” through thick wildfire smoke. On September 18, 2012, the satellite instrument captured this view of the burn scar beneath a heavy plume of smoke from the Mustang Complex fire in Idaho. Read more

Previous Images

Left

Right

Grid View Explore All

All

Features

Left

The Gravity of Water

September 12, 2012

Scientists are using novel measurements of gravity to gather indispensable information about Earth’s water supplies. The GRACE mission can see water flowing underground. Read more

Notes from the Field Blog: Salinity Processes in the Upper Ocean Regional Study (SPURS)

August 28, 2012

A group of scientists are headed to the saltiest spot in the North Atlantic Ocean. They will spend six weeks at sea studying what's driving changes in the salt content of the ocean and how these variations relate to an acceleration of the global water cycle and climate change. Read more

Greatest Hits from Landsat

July 31, 2012

Landsat 1 was launched in July 1972, starting the longest continuous observation of Earth's land surfaces from space. Here are some of the memorable scientific and societal contributions from the 40-year-old program. Read more

Landsat Looks and Sees

July 23, 2012

The world’s longest-running Earth-observing satellite program has collected more than three million images, showing two generations of planetary evolution and of human imprints on Earth. The Landsat archives tell an unparalleled story of our land surfaces. Read more

Notes from the Field Blog: Siberia 2012 - Embenchime River Expedition

July 11, 2012

A dedicated team of scientists has returned to the remote boreal forests of northern Siberia to study how the boreal ecosystem moderates Earth's climate by storing carbon and the implications of a warming climate on those forests. Read more

Right

> Dry Times in North America

All