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NASA will host a news briefing at 1 p.m. EST, Thursday, Jan. 18, to preview the flight of the APL-built New Horizons spacecraft through the Jupiter system. The briefing will take place in the NASA Headquarters auditorium, 300 E St., S.W., Washington. The briefing will air live on NASA Television and streamed at www.nasa.gov. 

New Horizons will use Jupiter's gravity to boost its speed toward the outer solar system, while training its cameras and sensors on the giant planet and its moons during a six-month encounter. 

Briefing participants:

• James Green, acting director, Solar System Division, NASA Headquarters, Washington 
   
• Alan Stern, New Horizons principal investigator, Southwest Research Institute, Boulder, Colo. 
   
• John Spencer, New Horizons Jupiter Encounter Science Team deputy lead, Southwest Research Institute 
   
• Glen Fountain, New Horizons project manager, ÃØÃÜÖ±²¥ University Applied Physics Laboratory, Laurel, Md.

Reporters at participating agency field centers will be able to ask questions. For more information about NASA TV, streaming video, downlink and schedule information, visit . 

For more information about the New Horizons Pluto-Kuiper Belt mission, visit .