The National Aeronautics and Space Administration (NASA) is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research. Since February 2006, NASA's mission statement has been to "pioneer the future in space exploration, scientific discovery and aeronautics research." On September 14, 2011, NASA announced that it had selected the design of a new Space Launch System that it said would take the agency's astronauts farther into space than ever before and provide the cornerstone for future human space exploration efforts by the U.S. NASA was established by the National Aeronautics and Space Act on July 29, 1958, replacing its predecessor, the National Advisory Committee for Aeronautics (NACA). The agency became operational on October 1, 1958. U.S. space exploration efforts have since been led by NASA, including the Apollo moon-landing missions, the Skylab space station, and later the Space Shuttle. Currently, NASA is supporting the International Space Station and is overseeing the development of the Orion Multi-Purpose Crew Vehicle and Commercial Crew vehicles.

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Cosmic bow shocks

Imagine an object moving at super-sonic speed. This object, as it moves through a medium, causes the material in the medium to pile up, compress, and heat up. The result is a type of shock wave, known as a bow shock.

dateMar 07, 2018 in Space Exploration
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NASA satellite sees fires in southeastern U.S.

The National Interagency Fire Center (NIFC) is not reporting many wildfires in the Southeast despite the number of hotspots that were detected by the Aqua satellite. One wildfire was noted on the border of Alabama and Florida ...

dateMar 06, 2018 in Earth Sciences
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Image: Building the Space Station

In this 2006 image, astronauts Joan Higginbotham (foreground) and Suni Williams refer to a procedures checklist as they work the controls of the Space Station Remote Manipulator System (SSRMS) or Canadarm2 in the Destiny ...

dateMar 06, 2018 in Space Exploration
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