Nov. 13, 2006 Erica Hupp/Dwayne Brown Headquarters, Washington 202-358-1237/1726 Ray Villard Space Telescope Science Institute, Baltimore 410-338-4514 MEDIA ADVISORY: M06-177 NASA SCHEDULES DARK ENERGY DISCOVERY MEDIA TELECONFERENCE NASA will host a media teleconference with Hubble Space Telescope astronomers at 1 p.m. EST Thursday, Nov. 16, to announce the discovery that dark energy has been an ever-present constituent of space for most of the universe's history. Reporters must call Ray Villard at the Space Telescope Science Institute Press Office, Baltimore, at: 410-338-4514 (villard@xxxxxxxxx) or Cheryl Gundy at 410-338-4707 (gundy@xxxxxxxxx) for participation information. Images and graphics about the research will be posted shortly before the start of the briefing at: http://www.nasa.gov/hubble Briefing participants: -- Adam Riess, astrophysicist, Space Telescope Science Institute and Johns Hopkins University, Baltimore -- Mario Livio, senior astrophysicist, Space Telescope Science Institute -- Louis-Gregory Strolger, astronomer, Western Kentucky University, Bowling Green, Ky. -- Sean Carroll, senior research associate, California Institute of Technology, Pasadena, Calif. Audio of the event will be available on the Internet at: http://www.nasa.gov/newsaudio For NASA TV streaming video, schedule and downlink information, visit: http://www.nasa.gov/ntv -end- To subscribe to the list, send a message to: hqnews-subscribe@xxxxxxxxxxxxxxxxxxxxxx To remove your address from the list, send a message to: hqnews-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx