Date: May 16th 2008

May 15, 2008

Dwayne Brown Headquarters, Washington 202-358-1726 dwayne c brown@nasa gov

Guy Webster/Jane Platt Jet Propulsion Laboratory, Pasadena, Calif 818-354-5011 guy webster@jpl nasa gov; jane platt@jpl nasa gov

Sara Hammond University of Arizona, Tucson 520-626-1974 shammond@lpl arizona edu

MEDIA ADVISORY: M08-099

NASA BRIEFINGS AND TV COVERAGE SCHEDULE FOR PHOENIX MARS LANDING

WASHINGTON -- NASA news briefings, live commentary and updates before and after the scheduled Sunday, May 25 arrival of the agency's Phoenix Mars Lander will be available on NASA Television and on the Web

Entry, descent and landing begins at 4:46 p m PDT on May 25, when the flight team will listen for radio signals indicating that Phoenix has entered the top of the Martian atmosphere The spacecraft must perform a series of challenging transformations and activities during the seven minutes after it enters the atmosphere to slow it from 12,000 mph to 5 mph and a soft touchdown The Phoenix team will be watching for radio signals confirming the landing at 4:53 p m More than half of previous international attempts to land on Mars have been unsuccessful For a detailed schedule and landing timeline, visit:

http://www nasa gov/phoenix

Requests for media credentials to cover the Phoenix mission from NASA's Jet Propulsion Laboratory in Pasadena, Calif , must be made online at:

https://eis jpl nasa gov/media/index html

Media wishing to cover the mission from the University of Arizona in Tucson, must apply online at:

http://uanews org/marsmedia

The deadline for U S journalist to request media credentials is Tuesday, May 20 Foreign journalists requesting credentials must apply by Friday, May 16

Briefings on mission goals, challenges, status and final trajectory adjustments will originate from JPL on Thursday, May 2, at 11:30 a m and on Saturday and Sunday, May 25-26, at noon

On landing day, May 25, live landing commentary will air on NASA TV A telecast without videos and interviews will run on NASA TV's Media Channel beginning at 3 p m Another telecast with commentary, interviews and videos will begin at 3:30 p m on NASA TV's Public Channel For more information on NASA TV and this coverage schedule, visit:

http://www nasa gov/multimedia/nasatv/MM_NTV_Breaking html

Both telecasts will continue through landing time and resume at 6:30 p m during the period after landing when engineers anticipate the receipt of data and possible images confirming that Phoenix has opened its solar panels successfully

A news briefing at JPL will be held Sunday, May 25 at 9 p m , following landing and the first possible downlink of images Briefing updates at JPL also are scheduled on Monday, May 26 at 11 a m and on Tuesday, May 27, at 11 a m

Daily news briefings will continue at 11 a m for several days following a successful landing Mission control and the site for news briefings will then shift to the University of Arizona in Tucson after a determination that the spacecraft is in a safe condition for conducting science operations The earliest possibility for moving the host site for mission news briefings to the University of Arizona's Space Operations Center is Wednesday, May 28 Mission briefings from Pasadena and Tucson will be carried on NASA TV unless preempted by other NASA events

For NASA TV streaming video, schedules, and downlink information, visit:

http://www nasa gov/ntv

-end-

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