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Warming Ocean Slows Phytoplankton Growth
Every day, more than 100 million tons of carbon dioxide are drawn from the atmosphere into the ocean by billions of microscopic ocean plants called phytoplankton during photosynthesis. In addition to playing a big role in removing greenhouses gases from…
Fires in Victoria, Australia
A river of smoke more than 25 kilometers wide flowed southeast toward the Tasman Sea from fires burning in the Great Dividing Range Mountains in Victoria, Australia, on December 5, 2006. This image from the Moderate Resolution Imaging Spectroradiometer (MODIS)…
Heavy Snow in U.S. Midwest
A severe winter storm hammered the Midwestern United States on December 1, 2006, icing roads, grounding flights, and leaving more than two million homes and businesses without power.
Rio Negro, Amazonia, Brazil
The wide, multi-island zone in the Rio Negro (Black River) shown in this astronaut photograph from September 2, 2006, is one of two, long “archipelagoes” upstream of the city of Manaus (not shown) in central Amazonia. Sixty kilometers of the…
Lava Flow on Mount Etna
Plumes of steam rose from several vents on Mount Etna on November 30, 2006, a testament to the volcano’s ongoing activity. The strongest plume appears to be coming from the Northeast Crater, but a second fainter plume is also emanating…
Whiskeytown National Recreation Area
According to local lore, northern California’s Whiskeytown derived its name from a mishap on a mountain trail. Donkeys lost their footing and dropped a load of whiskey down a steep valley. Whatever the origin of the area’s name, it has…
Dust and Fires in New South Wales, Australia
In northeastern New South Wales, a large fire flared up on November 29, 2006, and within a day it had scorched a large area in and around the Pilliga Nature Reserve and State Forests north of the town of Coonabarabran.…
Cassini Significant Events 11/22/06 – 11/29/06
Cassini Significant Events 11/22/06 – 11/29/06 December 1, 2006 (Source: Cassini Project) The most recent spacecraft telemetry was acquired Wednesday, Nov. 29, from the Goldstone tracking stations. The Cassini spacecraft is in an excellent state of health and is operating…
Project Mercury Overview – Introduction
The actual beginning of the effort that resulted in manned space flight cannot be pinpointed although it is known that the thought has been in the mind of man throughout recorded history. It was only in the last decade, however,…
Project Mercury Overview – Objectives and Guidelines
The objectives of the Mercury Project, as stated at the time of project go-ahead, were as follows: After the objectives were established for the project, a number of guidelines were established to insure that the most expedient and safest approach…
Project Mercury Overview – Astronaut Selection
Now that men had been chosen to serve as the focal points for all this effort, new spirits animated the Space Task Group (STG). Indeed, the Nation as a whole began to participate vicariously in Project Mercury when, on April…
Project Mercury Overview – Summary
The United States’ first manned space flight project was successfully accomplished in a 4 2/3 year period of dynamic activity which saw more than 2,000,000 people from many major government agencies and much of the aerospace industry combine their skills,…
Mercury Crewed Flights Summary
Mercury, America’s first human space flight program, introduced the nation to its first astronauts. There were six total flights with six astronauts flown. Total flight time for these missions was 53 hours, 55 minutes and 27 seconds. Mercury-Redstone 3 Spacecraft:…
Flooding in the Horn of Africa
An estimated 723,000 people were affected by devastating floods in Kenya in November 2006, according to reports from the ReliefWeb organization. The heavy rains caused rivers to overflow their banks and inundate villages and farmland, produced landslides, and increased the…
Contrails Over the Midwest
When the hot, humid air from a jet engine mixes with colder, drier air in the surrounding environment, condensation trails, or “contrails,” streak the sky. If the air through which the airplane is flying is already close to being saturated…
Ash Plume from Mount Etna
Sicily’s Mount Etna released a thick plume of volcanic ash on November 24, 2006. According to news reports, the volcanic activity forced an overnight closure of the Fontanarossa Airport, the main airport in eastern Sicily. The Moderate Resolution Imaging Spectroradiometer…
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