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Phytoplankton bloom in the Baltic Sea
A large phytoplankton bloom was spreading in the Baltic Sea last week,coloring its surface waters turquoise. This Sea-viewing WideField-of-view Sensor (SeaWiFS) image taken July 3, 2001, shows theextent of the bloom. (Click to learn more about phytoplankton.) Many European countries…
John Martin
John Martin devoted his career to understanding the basic chemical processes that govern life in the ocean. His famous “iron hypothesis” not only changed the way in which scientists view the ocean, but also introduced a controversial method for lowering…
Mongolia
With winds that constantly whip dust across high plains, a nomadicpopulation that mostly lives in felt tents, and a local cuisine thatconsists of fermented goat milk and stewed meats, Mongolia is not aplace for the pampered. This true-color image of…
Hubble Snaps Picture of Remarkable Double Cluster
These two dazzling clusters of stars, called NGC 1850, are found in one of our neighboring galaxies, the Large Magellanic Cloud. The photo’s centerpiece is a young, “globular-like” star cluster — a type of object unknown in our own Milky…
3-D View of Grand Canyon
The Grand Canyon is one of North America’s most spectacular geologic features. Carved primarily by the Colorado River over the past six million years, the canyon sports vertical drops of 5,000 feet and spans a 277-mile-long stretch of Arizona desert.…
Watery Gem of Northern Italy, the City of Venice
The compact Italian city of Venice with its renowned canals is situated on a small, fish-shaped island in the Laguna Veneta at the northwest corner of the Adriatic Sea. In this photo taken from the International Space Station by the…
Argentina and Paraguay
Boasting the highest mountain as well as the greatest expanse of low-lying wetlands in the Western Hemisphere, lower South America is a sight to behold at any altitude. This true color image of lower South America was acquired on March…
Sredinnyy Khrebet, Kamchatka Peninsula, Russia
full resolution images: color coded shaded relief (1.6 MB) 3D anaglyph (1.8 MB)The Kamchatka Peninsula in eastern Russia is shown in this scene createdfrom a preliminary elevation model derived from the first data collectedduring the Shuttle Radar Topography Mission (SRTM) on February12,…
Significant Event Report for Week Ending 7/6/2001
Cassini Significant Event Report For Week Ending 07/06/01 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, July 4. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Bruneau River, Idaho
The Bruneau River runs through a narrow canyon cut into ancientlava flows in southwestern Idaho. The canyon—up to 4000 feet(1220 meters) deep and 40 miles (64 km) long— featuresrapids and hot springs, making it a popular whitewater trip. This true-color…
Hubble Captures Best View of Mars Ever Obtained From Earth
Frosty white water ice clouds and swirling orange dust storms above a vivid rusty landscape reveal Mars as a dynamic planet in this sharpest view ever obtained by an Earth-based telescope. The Earth-orbiting Hubble telescope snapped this picture on June…
A Spaceborne Perspective on the Red, White, and Blue
Philadelphia, where the Declaration of Independence was signed225 years ago on July 4, 1776, lies in the center of this imagefrom NASA’s Multi-angle Imaging SpectroRadiometer (MISR). Thistrue-color view of the northeastern United States, taken from theinstrument’s nadir, or downward-looking, camera…
Forest Fires near Fairbanks, AK
Two large wildfires were burning south of Fairbanks, Alaska, on June24, when this true-color image of the region was acquired by theSea-viewing Wide Field-of-view Sensor (SeaWiFS). A combination of hightemperatures and light winds were fanning the flames southwestward, awayfrom Fairbanks.…
Thunderstorms Spawn Tornadoes
The above images were acquired by the National Oceanographic and Atmospheric Administration’s (NOAA’s) Advanced Very High Resolution Radiometer (AVHRR) aboard the NOAA-15 Polar Orbiting Environmental Satellite at 6:59 PM CDT on June 18, 2001. The track left by the tornado…
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