New information about the violent youth of stars like our sun, and implications for planet survival, will be presented during a media teleconference Tuesday, May 10, at 1 p.m. EDT.

For participation information, including the Web site where graphics and other materials will be posted, reporters should call the Chandra X-ray Center Press Office at: 617/496-7998.

Participants:

— Dr. Michael Salamon, Universe Division discipline scientist for Fundamental Physics, NASA Headquarters, Washington

— Dr. Scott Wolk, astrophysicist, Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.

— Dr. Eric Feigelson, professor of Astronomy and Astrophysics, Penn State, University Park

— Dr. Joan Najita, astronomer, National Optical Astronomy Observatory, Tucson, Ariz.

NASA’s Marshall Space Flight Center, Huntsville, Ala., manages the Chandra program for the agency’s Science Mission Directorate. Northrop Grumman of Redondo Beach, Calif., was the prime development contractor for the observatory. The Smithsonian Astrophysical Observatory controls science and flight operations from the Chandra X-ray Center in Cambridge, Mass. The findings come from the deepest X-ray observation of a star cluster ever taken.