The panelists are:
-- Michael McDonald, Hubble Fellow, Massachusetts Institute of Technology, Cambridge, Mass.
-- Bradford Benson, astrophysicist, University of Chicago
-- Megan Donahue, professor of astronomy, Michigan State University, East Lansing
-- Martin Rees, professor of cosmology and astrophysics, University of Cambridge, United Kingdom
For dial-in information to ask questions, reporters must send their name, media affiliation and telephone number to email@example.com by noon Aug. 15.
The general public also can ask the panelists questions via Twitter using the hashtag #asknasa.
Audio of the teleconference will be streamed live at:
For more information about NASA's Chandra X-ray Observatory, visit: