NASA Daily News Summary For Release: May 20, 1999 Media Advisory m99-101 Summary: -- Video File for May 20, 1999: Discovery Rollout, Weather on Mars ***** No news releases have been issued today. If NASA issues any news releases later today, we will e-mail summaries and Internet URLs to this list. Index of 1999 NASA News Releases: http://www.nasa.gov/releases/1999/index.html ***** Video File for May 20, 1999 ITEM 1 DISCOVER ROLLOUT AND REPAIRS (TRT 06:05) ITEM 2 TWO NASA SPACECRAFT OBSERVE LARGE WEATHER SYSTEM ON MARS (TRT 01:30 approx.) (REPLAY) ***** ITEM 1 DISCOVERY ROLLOUT AND REPAIRS Item 1A Discovery Rollout to Launch Pad The orbiter Discovery returned to Pad B after undergoing external tank repair in the Vehicle Assembly Building. The tank was damaged when hail from a thunderstorm caused divots in the tank's foam insulation. Item 1B Repairing Hail Damage to Fuel Tanks B-roll shows repair activities to the Space Shuttle Discovery's external fuel tank. Fireproof foam was applied, then sanded, blended and painted. These repairs took place on May 18 and May 19, 1999, in High Bay 1 at Kennedy Space Center's Vehicle Assembly Building. Contact at NASA Headquarters: Jennifer McCarter, 202/358-1639; Contact at NASA Kennedy: Bill Johnson, 407/867-2468. ***** ITEM 2 TWO NASA SPACECRAFT OBSERVE LARGE WEATHER SYSTEM ON MARS Item 2A Hubble Sees Cyclone on Mars On April 27, 1999, the Hubble Space Telescope took a series of images of Mars and discovered an enormous cyclonic storm system raging in the northern polar regions. The storm consists of at least three or more bands organized into a spiral structure and wrapped around an eye. Item 2B Clouds Near North Pole on Mars This animation shows observations from April 30 to May 4, 1999, of a portion of the northern hemisphere of Mars taken by the Mars Orbiter Camera aboard the Mars Global Surveyor. Temperature differences create strong winds that mix the atmosphere and create waves of clouds that swirl around the polar cap. Contact at NASA Headquarters: Donald Savage, 202/358-1727; Contact at Jet Propulsion Lab: Mary Hardin, 818/354-0344. ***** The NASA Video File airs at noon, 3 p.m., 6 p.m., 9 p.m. and midnight Eastern Time. NASA Television is available on GE-2, transponder 9C at 85 degrees West longitude, with vertical polarization. Frequency is on 3880.0 megahertz, with audio on 6.8 megahertz. Refer general questions about the video file to NASA Headquarters, Washington, DC: Ray Castillo, 202/358-4555, or Pam Poe, 202/358-0373. During Space Shuttle missions, the full NASA TV schedule will continue to be posted at: http://spaceflight.nasa.gov/realdata/nasatv/schedule.html For general information about NASA TV see: http://www.nasa.gov/ntv/ ***** Contract Awards Contract awards are posted to the NASA Acquisition Information Service Web site: http://procurement.nasa.gov/EPS/award.html ***** The NASA Daily News Summary is issued each business day at approximately 2 p.m. Eastern time. Members of the media who wish to subscribe or unsubscribe from this list, please send e-mail message to: Brian.Dunbar@hq.nasa.gov ***** end of daily news summary