From: Sandy Dueck 2nd account <sandy@quest.arc.nasa.gov>
Subject: Re: Pedro's post & LFM Q & A, online sharing, mission update (excerpt)
Date: Wed, 8 Oct 1997 18:34:16 -0700 (PDT)
To Pedro & Everyone, The best way to get your questions answered is to post them to the LFM site at: http://quest.arc.nasa.gov. Click on the Question Mark "?" icon and follow the directions from there. Your question will be answered by a Mars expert in 1-2 weeks. Sandy On Wed, 8 Oct 1997, Jan Wee wrote: > Dear discuss-lfm members, > > > >>>PEDRO's POSTING... > Welcome to our discussion forum, Pedro! Glad to see you > posting along with several others who did so in the > past day! > > I took the liberty of opening your attached file and > re-posting it in full form in case others are not able > to open the file and read it. > > > Here is Pedro's posting... > > From: <pescudero@tfn.servicom.es> > Dear discuss LFM members, > > This is my question: If there is sand in Mars and its > atmosphere is extremely thin, which is the origin of that sand ? > The barometric pressure on Mars is about 7 (seven) milibars. > > On the Earth we have 1.012 milibars as normal pressure. That > means that the air in Mars is not dense enough to produce > erosion on the planet rocks. Could it be that Mars had a > heavy atmosphere millions of years ago ? Or that the sand > comes from the erosion of ancient waters on that Planet ? > > Many thanks for your answers > > - Pedro Escudero Elorza - > > > SUGGESTION....ASK THE MARS TEAM! > Since yours is a question about the formation of sand on > Mars you are encouraged to send the question to the LFM Question > and Answer service.... information about how to do this > properly is found at: > > http://quest.arc.nasa.gov/mars/ask/question.html > > Mars Team members respond to questions from participants > of LFM via the Q and A forum. Questions and answers are > posted in the archive for all to utilize and enjoy! > Be sure to >>>>check the archive BEFORE submitting > questions! > > This is a great resource for you and your students > as the information is current and the responses > are from the Mars Mission TEAM! What could be better > than hearing directly from the real experts! :-) > The archive is found at: > > http://quest.arc.nasa.gov/mars/ask/index.html > > Here is an example of a Q and A pair from the category > Mars terrain and geology.... > > QUESTION: > Is there quicksand on Mars? > > ANSWER from Jeff Plescia on January 31, 1997: > Probably not. Quicksand is a loose mixture of water and sand. > There is no liquid water at the surface of Mars; the atmospheric > pressure is too low and it is too cold. So while there might > be areas filled with sand, you would not sink out of sight if > you tried to cross them. > > Jeff Plescia,research scientist and Mars Surveyor Program > > Questions will be accepted from now through the duration > of the LFM project. To submit a question, mail it to the > following email address: > > question-lfm@quest.arc.nasa.gov > > > Perhaps members of our discuss-lfm forum might be able to > contribute a scientific response, but the Q and A is a > sure fire way of getting a response from the experts! > > >>>>LET'S DISCUSS... > Say the word and you are ready to respond! What a great > group! > > Thanks Thomas R. of Southern CA for sharing the > news of the special event on Nov. 13th! How lucky can > you be to live near JPL. What would be super is if any > of the folks on this list attending could share your experience > with all of us via a posting to this list! Many of us have > fond memories of Donna (in her lucky red suit) being interviewed on > CNN July 4th and featured on the Live From Mars telecasts. > > Thanks to Ginny Dexter (who hails from Northern CA), > Marilyn Kennedy Wall (who hails from the East... VA) > and Lucy Marske (from the Midwest). We have covered both > coasts and midwest with this trio of posts! Ginny's > Weather World's Internet Research form, Marilyn's resource > sharing, and Lucy's unique Human Mars/MGS aerobraking activity > gave our forum a jump-start in demonstrating the power > of online forums! Thanks to *all* of you. > > > >>>>>MARS PATHFINDER MISSION STATUS > 8 October 1997, 12:00 p.m. PDT > > Just a brief excerpt from the JPL's Pathfinder site at > http://mars. jpl.nasa.gov > > The Mars Pathfinder operations team reestablished communications > with the lander on Sol 92 of the mission, after four days of > silence from the spacecraft. The team received a transmission > from the spacecraft's main transmitter. The signal was detected > using the Madrid, Spain 34-meter antenna. > > For further information on the Mars Pathfinder Mission, > please call our Mission Status Report line at 1-800-391-6654. > > > Looking forward to more discussion/sharing! > Jan Wee, discuss-lfm moderator >