WASHINGTON - A NASA Science Update at 1 p.m. EDT Tuesday, May 1, will discuss new views of the Jupiter system. The Pluto-bound New Horizons spacecraft is returning these images as it flies past the solar system's largest planet during the initial stages of a planned six-month encounter. The update will take place in the NASA Headquarters auditorium at 300 E St., S.W., Washington. The update will air live on NASA Television and be streamed at www.nasa.gov.

New Horizons is using 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.

Briefing participants are:

-- Alan Stern, NASA associate administrator, Science Mission Directorate, and New Horizons principal investigator, Headquarters, Washington

-- Jeff Moore, New Horizons Jupiter Encounter Science Team lead, Ames Research Center, Moffett Field, Calif.

-- John Spencer, New Horizons Jupiter Encounter Science Team deputy lead, Southwest Research Institute, Boulder, Colo.

-- Hal Weaver, New Horizons project scientist, Johns Hopkins University Applied Physics Laboratory, Laurel, Md.

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

http://www.nasa.gov/ntv

For information about NASA and agency programs, visit:

http://www.nasa.gov