PART 1: March 27 Webchat With Jim Bell,
[Dan Helfman will be writing the updates and helping to manage Mars Team Online while Sandy Dueck is out on maternity leave.]
MARCH 27 WEB CHAT WITH JIM BELL, ASTRONOMER
Just a reminder: There is still time to sign up for the MTO Web chat with astronomer Jim Bell on Friday, March 27 at 11 a.m., PST. Jim studies pictures of data about Mars from telescopes and NASA spacecraft missions. Be sure to read Jim's bio at: http://quest.arc.nasa.gov/mars/team/bell.html To register for the chat go to: http://quest.arc.nasa.gov/mars/events/interact.html
LIVE WEBCAST WITH SPACE STATION MIR ABOUT MARS
Mon. March 23, 9:45 a.m. to 10:35 a.m. EST: "From Mir to Mars," a live Webcast with Space Station Mir, will take place on PBS Online. Alan Alda, host of the PBS science series SCIENTIFIC AMERICAN FRONTIERS, will conduct an interview with NASA astronaut Andrew Thomas. To join the Webcast, visit the "From Mir to Mars" web site -- which includes lots of information on Mir, NASA missions, Mars, and other related facts and resources -- at http://www.pbs.org/saf/mirtomars There you will find a link to the Webcast at 9:45 a.m. EST on Monday. The half-hour Webcast will include a set-up period, featuring Alda and FRONTIERS producers preparing for the interview, and the 15-minute interview itself. Thomas will describe the physical and psychological effects of living in Space and the methods used for counteracting those effects. He'll also discuss how he believes astronauts on a mission to Mars might be affected by being too far away to look back and see Earth.
SCHEDULE FOR UPCOMING BILINGUAL WEBCHATS
During the months of April and May the Quest Project will host a series of web chats to be conducted in Spanish and English. Questions which are posted in Spanish will be answered in Spanish and those asked in English will be answered in English. Each Sharing NASA project will feature web chats with Spanish speaking scientists and engineers that work at NASA. We trust that you and your students will enjoy participating in this unique chat environment! To sign up for any of these chats, please see http://quest.arc.nasa.gov/common/bilingual/ Fri. April 3, 10:30 a.m. - 11:30 a.m., PST, Luis Rodriguez: Luis is a safety and payload integration engineer for experiments flown on board the space shuttle, the Space Station Mir, and International Space Station Freedom. He makes sure that design engineers and scientists use NASA-approved materials, chemicals, and electrical components when designing their experiments. Check out Luis' biography at: http://quest.arc.nasa.gov/space/team/ Thurs. April 23, 10:30 a.m. - 11:30 a.m., PST, Felix A. Soto Toro: Felix is a design engineer for hardware and software automated systems. He reviews systems found at the Kennedy Space Center (KSC) in order to speed up the time and maintain the maximum safety levels necessary to process the experiments only found at KSC. Take a look at Felix's biography at: http://quest.arc.nasa.gov/space/team/ Thurs. April 30, 1:00 p.m. - 2:00 p.m., PST, Estela Hernandez: Estela is a flight simulation engineer at the Vertical Motion Simulator. She analyzes mathematical models for development in real-time software and interfaces computers with the simulator's cockpit and lab hardware. Read Estela's bio at: http://quest.arc.nasa.gov/aero/team/ Tues. May 5, 11:00 a.m. - 12:00 p.m., PST, Dora Lopez: Dora is a Network Engineer, supporting the Earth Observing System (EOS), Mission to Planet Earth project under a program called the NASA Research and Education Network (NREN). She basically takes EOS's requirements and fits them into NREN's architecture. Read more about Dora at: http://quest.arc.nasa.gov/women/bios/ Tues. May 12, 10:00 a.m. - 11:00 a.m., PST, Debbie Martinez. Debbie works in the Simulation Systems Branch (SSB), which manages unique state-of-the-art Flight Simulation Facilities. Her job consists of supporting the researcher community with their particular flight research project studies utilizing our simulation facilities. Go to Debbie's biography at http://quest.arc.nasa.gov/women/bios/ Tues. May 19, 7:00 a.m. - 8:00 a.m., PST, Estella Gillette. As Director of Equal Opportunity Programs, assures that the employees at the Johnson Space Center (JSC) are provided with opportunities for career development and advancement. Look for Estella's bio at: http://quest.arc.nasa.gov/women/bios/
MARS GLOBAL SURVEYOR FLIGHT STATUS REPORT
[Editor's note: This flight status report was prepared by the Office of the Flight Operations Manager, Mars Surveyor Operations Project, Jet Propulsion Laboratory.] February 13, 1998 Aerobraking operations continue to proceed smoothly for the Mars Global Surveyor spacecraft. Since arrival at Mars last September, Surveyor has completed 174 orbits, and aerobraking has reduced the period of revolution around the planet from its initial high of 45 hours down to its current value of 13.2 hours. The flight team anticipates that aerobraking will continue to proceed unimpeded due to the low probability of another major dust storm at Mars. The flight team is currently preparing for the temporary suspension of aerobraking and the reactivation of the science payload. This transition will occur about two weeks from now when the orbit period has been reduced to 11.6 hours. At that time, Surveyor will fire its thrusters to raise the low point of its orbit out of the atmosphere. This temporary aerobraking hiatus will allow the science teams to collect data during the spring and summer months of this year. In addition, the hiatus is also necessary so that Mars will be in the proper position in its orbit around the Sun when aerobraking finishes and mapping commences next spring. After a mission elapsed time of 491 days from launch, Surveyor is 218.63 million miles (351.85 million kilometers) from the Earth and in an orbit around Mars with a high point of 12,453 miles (20,041 km), a low point of 72.8 miles (117.2 km), and a period of 13.2 hours. The spacecraft is currently executing the P175 command sequence, and all systems continue to perform as expected. The next status report will be released between March 25th and April 1st.
SUBSCRIBING & UNSUBSCRIBING: HOW TO DO IT!
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