WorldView-1 is a commercial earth observation satellite owned by DigitalGlobe. It was launched September 18, 2007, and DigitalGlobe plans to launch another, similar satellite after its construction is finished in late 2008. First imagery from WorldView-1 is expected to be available prior to October 18, the six-year anniversary of the launch of QuickBird, DigitalGlobe’s current satellite.
WorldView-1, was built by Ball Aerospace & Technologies. Ball Aerospace built the spacecraft bus and the camera (instrument) using the off-axis camera design identical to QuickBird with the instrument's focal plane being supplied by ITT Exelis. The camera is a panchromatic imaging system featuring half-meter resolution imagery. With an average revisit time of 1.7 days, WorldView-1 is capable of collecting up to 750,000 square kilometers (290,000 sq mi) per day of half-meter imagery.
WorldView-1 was partially financed through an agreement with the National Geospatial-Intelligence Agency (NGA). Some of the imagery captured by WorldView-1 for the NGA will not be available to the general public. However, WorldView-1 will free capacity on DigitalGlobe’s QuickBird satellite to meet the growing commercial demand for multi-spectral geospatial imagery.
WorldView-2 is a commercial Earth observation satellite owned by DigitalGlobe. WorldView-2 provides commercially available panchromatic imagery of .5 m resolution, and eight-band multispectral imagery with 1.8 m (5 ft 11 in) resolution. It was launched October 8, 2009 to become DigitalGlobe's third satellite in orbit, joining WorldView-1 which was launched in 2007 and QuickBird which was launched in 2001. It was built by Ball Aerospace , which includes an optical telescope that can image objects 18 in (460 mm) in diameter.
WorldView-2 was launched October 8, 2009 from Vandenberg Air Force Base on a Delta II flying in the 7920 configuration. The launch vehicle was provided by the United Launch Alliance and launch services were administered by Boeing.
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Volgograd Arena (45,000 spectators): An emotional World Cup venue. On the bank of the Volga, the new stadium was built against the backdrop of the war memorial "Mother's Homeland Calls". During construction, bones were found by soldiers of the Second World War.
Group matches: Tunisia - England (June 18); Nigeria - Iceland (22 June); Saudi Arabia - Egypt (25 June); Japan - Poland (June 28)
Mordovia Arena (45,000 spectators): On the outskirts of Saransk, the new building was launched in 2010, the 1000th anniversary of the unification of the Mordovian and Russian population. After the World Cup there will be a dismantling for tennis and volleyball fields.
Group matches: Peru - Denmark (16 June); Colombia - Japan (19 June); Iran - Portugal (25 June); Panama - Tunisia (June 28)
Samara Arena (45,000 spectators): The ambitious construction project in the forest just outside the city lagged behind the schedule for a long time.
Group matches: Costa Rica - Serbia (17 June); Denmark - Australia (21 June); Uruguay - Russia (25 June); Senegal - Colombia (June 28)
A knockout round, a quarter-finals | Source: REUTERS
Rostov on the Don-Arena (45,000 spectators): Right on the banks of the Don is the new arena. The roof of the new building should symbolize the course of the river. FK Rostov, who beat the Bavarians in the Champions League, is playing here after the World Cup.
Group matches: Brazil - Switzerland (17 June); Uruguay - Saudi Arabia (June 20); South Korea - Mexico (23 June); Iceland - Croatia (June 26th)
A knockout round | Source: REUTERS