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Distant space explosion
Astronomers announce the detection by NASA's Swift satellite of the most distant explosion yet, a gamma-ray burst from the edge of the visible universe, during this media teleconference held Monday, September 12. (54min 01sec file)

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Hill-climbing Mars rover
The Mars Exploration Rover Spirit has reached the summit of Husband Hill, returning a spectacular panorama from the hilltop in the vast Gusev Crater. Scientists held a news conference Sept. 1 to reveal the panorama and give an update on the twin rover mission.

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Planes track Discovery
To gain a new perspective on space shuttle Discovery's ascent and gather additional imagery for the return to flight mission, NASA dispatched a pair of high-flying WB-57 aircraft equipped with sharp video cameras in their noses.

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Rocket booster cams
When space shuttle Discovery launched its two solid-fuel booster rockets were equipped with video cameras, providing dazzling footage of separation from the external fuel tank, their free fall and splashdown in the sea.

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NASA releases plans for next generation spacecraft
NASA NEWS RELEASE
Posted: September 19, 2005

NASA Administrator Michael Griffin today released the results of the agency's exploration architecture study - a blueprint for the next generation of spacecraft to take humans back to the moon and on to Mars and other destinations.


NASA's new crew exploration vehicle in lunar orbit. Credit: John Frassanito and Associates
 
The study makes specific design recommendations for a vehicle to carry crews into space, a family of launch vehicles to take crews to the moon and beyond, and a "lunar mission architecture" for landing on the moon. It also recommends the technologies NASA should pursue in the near term.

The study will assist NASA in achieving President Bush's Vision for Space Exploration, which calls for the agency to safely return the space shuttle to flight, complete the International Space Station, return to the moon, and continue exploration of Mars and beyond. America's next generation spacecraft will use an improved, blunt-body crew capsule, and will accommodate up to six people.

"This spacecraft and its systems will build upon the foundation of the proven designs and technologies used in the Apollo and space shuttle programs, while having far greater capability," Griffin said. "It will be able to carry larger and heavier cargos into space and allow more people to stay on the moon for longer periods of time."

The new spacecraft can be configured either to support human explorers or fly unpiloted to carry cargo. Its design allows the flexibility to ferry crews of three astronauts, plus additional supplies, to and from the International Space Station, take four crew members to lunar orbit, and eventually maintain up to six astronauts on a mission to Mars.

Crews and cargo will be carried into orbit by a space shuttle-derived launch system, consisting of a solid rocket booster and an upper stage powered by a shuttle main engine that can lift 25 metric tons. The spacecraft also will be 10 times safer than the space shuttle because of its in-line design and launch-abort system.

NASA chose the shuttle-derived option for its launch system due to its superior safety, cost and its availability.

Specifically, the space shuttle's main engines and solid rocket boosters are reliable and rated for human space flight. Much of the industrial base and hardware to support this option are already in place, which will significantly lower development costs. Future lunar exploration missions will be supported by a heavy cargo launch vehicle consisting of five space shuttle main engines, and two five-segment shuttle solid-propellant rocket boosters. This combination yields a lift capability of 106 metric tons to low Earth orbit, and 125 metric tons, if it incorporates an Earth-departure stage. Although primarily designed to carry cargo, this system can be human-rated to carry crew into orbit.

The study lays out a deliberate, milestone-driven journey to the moon for NASA. Returning to the moon and sustaining a presence there will demonstrate humans can survive on another world, and will build confidence that astronauts can venture still farther into space and stay for longer periods. NASA's return to the moon will open opportunities for fundamental science in astrobiology, lunar geology, exobiology, astronomy and physics.

The journey will start with robotic missions between 2008 and 2011 to study, map and learn about the lunar surface. These early missions will help determine lunar landing sites and whether resources, such as oxygen, hydrogen and metals, are available for use in NASA's long-term lunar exploration objectives.

All NASA field centers will participate in the new exploration initiative.

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