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Source of the Amazon River
Geographers long agreed that, while the Amazon might be the world’s largest river by volume, the longest was likely the Nile. In 2007, however, the BBC reported that a team of Brazilian researchers challenged that long-held belief. After an expedition…
San Jose, Costa Rica
San José, capital city of Costa Rica, fills the valley between two steep mountain ranges. In this image made from data collected by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA’s Terra satellite, visible, shortwave, and…
Angora Fire, Lake Tahoe
On the weekend of June 23, 2007, a wildfire broke out south of Lake Tahoe, which stretches across the California-Nevada border. By June 28, the Angora Fire had burned more than 200 homes and forced some 2,000 residents to evacuate,…
Approaching Titan and Tethys
Todd J. Barber, Cassini lead propulsion engineer As Cassini approaches the beginning of its fourth year in Saturnian orbit, the spacecraft remains as busy as its Earth-bound controllers. The Titan-33 flyby is imminent as I write this on Friday, June…
Hubble Catches Jupiter Changing Its Stripes
Massive Jupiter is undergoing dramatic atmospheric changes that have never been seen before with the keen “eye” of NASA’s Hubble Space Telescope. Jupiter’s turbulent clouds are always changing as they encounter atmospheric disturbances while sweeping around the planet at hundreds…
Kenai Peninsula Fire
On Alaska’s Kenai Peninsula, a wildfire that started June 19 had destroyed at least 70 cabins, homes, and outbuildings as of June 27, 2007. Damp weather over the June 23 weekend helped firefighters make progress, but did not contain the…
Cassini Significant Events 06/20/07 – 06/26/07
Cassini Significant Events 06/20/07 – 06/26/07 June 28, 2007 (Source: Cassini Project) The most recent spacecraft telemetry was acquired on Tuesday, June 26, from the Goldstone tracking complex. The Cassini spacecraft is in an excellent state of health and all…
Saharan Dust Crosses the Atlantic
On June 22, 2007, a plume of Saharan dust blew off the west coast of Africa. Over the next few days, the dust cloud remained relatively intact as it traveled across the Atlantic Ocean to South America. The Moderate Resolution…
Fire Scar in Lake Okeechobee
Florida’s multi-year drought reached extreme levels in late spring 2007, and the impacts ranged from water restrictions to dangerous wildfires. The water levels in Lake Okeechobee hit record low levels in May and June, and swampy vegetation around the retreating…
Tethys and Titan Flyby – Jun. 27 and 29, 2007
This week, Cassini successfully completed flybys of Saturn’s moons Tethys (June 27) and Titan (June 29).
Grey Glacier, Chile
The Southern Patagonian Icefield of Chile and Argentina hosts several spectacular glaciers—including Grey Glacier located in the Torres del Paine National Park in Chile. This glacier, which in 1996 had a measured total area of 270 square kilometers and a…
Tornadoes Strike Northern Wisconsin
A series of tornadoes ripped through the Upper Midwest region of the United States in the evening of June 7, 2007. At least five different tornadoes touched down in Wisconsin, according to the Associated Press, one of which tore through…
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