Jun 20 2011

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MEDIA ADVISORY: M11-126 NASA HOSTS BRIEFING TO PREVIEW SPACECRAFT VISIT OF LARGE ASTEROID

WASHINGTON -- NASA will host a news briefing at 2 p.m. EDT on Thursday, June 23, to discuss the Dawn spacecraft's year-long visit to the large asteroid Vesta. The mission expects to go into orbit around Vesta on July 16 and begin gathering science data in early August. The briefing will be held in the NASA Headquarters auditorium located at 300 E St. SW, in Washington. NASA Television and the agency's website will broadcast the event. Dawn's visit to Vesta will be the first prolonged encounter to a main belt asteroid and the first trip to a protoplanet, or large body that almost became a planet. Observations will help understand the earliest chapter of our solar system's history. The briefing panelists are: -- W. James Adams, deputy director, Planetary Science Directorate, NASA Headquarters -- Robert Mase, Dawn project manager, Jet Propulsion Laboratory (JPL), Pasadena, Calif. -- Christopher Russell, Dawn principal investigator, UCLA -- Carol Raymond, Dawn deputy principal investigator, JPL


RELEASE: 11-189 NASA AND DARPA OFFER STUDENTS CHANCE TO SUPPORT FUTURE MISSIONS

WASHINGTON -- NASA and the Defense Advanced Research Projects Agency (DARPA) are offering high school students the opportunity to design experiments that will be tested in space. The 2011 Zero Robotics challenge is a continuation and expansion of a science, technology, engineering and math (STEM) education program using bowling ball-sized spherical satellites aboard the International Space Station. The Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or SPHERES, are used inside the station to test maneuvers for spacecraft performing autonomous rendezvous and docking. The three satellites that make up SPHERES fly in formation inside the station's cabin. Each is self-contained with power, propulsion, computing and navigation equipment. Test results support satellite servicing, vehicle assembly and spacecraft that fly in formation. The challenge requires high school student teams to write their own algorithm to fly the satellites in the station. Entries will be evaluated using simulations. Massachusetts Institute of Technology (MIT) in Cambridge, Mass., will host a final ground testing competition in October. The top 27 teams will have their code sent to the station, where an astronaut will program the SPHERES satellites to run their tests. The Zero Robotics challenge, facilitated by MIT, continues the STEM focus of the SPHERES program. The 2011 challenge expands on a pilot program performed in 2009 and 2010. By making the benefits and resources of the space program tangible to high school students, Zero Robotics is designed to inspire future scientists and engineers. Students will have the opportunity to push their limits and develop skills in STEM. This program builds critical engineering skills for students such as problem solving, design thought process, operations training, team work and presentation skills. MIT's Space Systems Laboratory developed SPHERES in 2006 to provide DARPA, NASA and other researchers with a long-term test bed for validating technologies critical to the operation of future satellites, docking missions and satellite autonomous maneuvers. The satellites provide opportunities to test a wide range of hardware and software at an affordable cost.


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