From: vdexter@tidepool.com (Ginny)
Subject: Re: Pedro's post & LFM Q & A, online sharing, mission update (excerpt)
Date: Thu, 9 Oct 1997 07:18:39 -0700 (PDT)
Pedro,
Well now we will ALL want to know the answer to that one! Would
love to know what you find out. gin
At 6:34 PM 10/8/97, Sandy Dueck 2nd account wrote:
>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
>>