[meteorite-list] Spirit Drives to a Rock Called 'Adirondack' for Close Inspection

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From: mark ford <markf_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:04 2004
Message-ID: <6CE3EEEFE92F4B4085B0E086B2941B311A331E_at_s-southern01.s-southern.com>

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=20
Nice B & W image of Adirondack....
=20
http://marsrovers.jpl.nasa.gov/gallery/all/2/p/016/2P127783908EFF0327P237=
0L7M1.JPG
=20
=20
-----Original Message-----
From: mark ford=20
Sent: 20 January 2004 14:58
To: meteorite-list_at_meteoritecentral.com
Subject: RE: [meteorite-list] Spirit Drives to a Rock Called =
'Adirondack' for Close Inspection
=20
=20
=20
Looks like there are quite a few vesicles too....
=20
Mark Ford
=20
-----Original Message-----
From: Thomas Webb [mailto:webbth1_at_yahoo.com]=20
Sent: 20 January 2004 14:36
To: Ron Baalke
Cc: meteorite-list_at_meteoritecentral.com
Subject: Re: [meteorite-list] Spirit Drives to a Rock Called =
'Adirondack' for Close Inspection
=20
Ron and List,
Does it appear to you that there may have been some shearing on the =
right hand side of the rock called 'Adirondack'?
Thomas H. Webb

Ron Baalke <baalke_at_zagami.jpl.nasa.gov> wrote:
=09
=09
 Guy Webster (818) 354-5011
 Jet Propulsion Laboratory, Pasadena, Calif.
=09
 Donald Savage (202) 358-1547
 NASA Headquarters, Washington, D.C.
=09
 News Release: 2004-024 January 19, 2004
=09
 Spirit Drives to a Rock Called 'Adirondack' for Close Inspection
=09
 NASA's Spirit rover has successfully driven to its first target on
 Mars, a football-sized rock that scientists have dubbed Adirondack.
=09
 The Mars Exploration Rover flight team at NASA's Jet Propulsion
 Laboratory, Pasadena, Calif., plans to send commands to Spirit early
 Tuesday to examine Adirondack with a microscope and two instruments
 that reveal the composition of rocks, said JPL's Dr. Mark Adler,
 Spirit mission manager. The instruments are the M=F6ssbauer=20
 spectrometer and the alpha particle X-ray spectrometer.
=09
 Spirit successfully rolled off the lander and onto the martian
 surface last Thursday. To make the drive to Adirondack, the rover
 turned 40 degrees in short arcs totaling 95 centimeters (3.1 feet).
 It then turned in place to face the target rock and drove four short
 moves straightforward totaling 1.9 meters (6.2 feet). The moves
 covered a span of 30 minutes on Sunday, though most of that was
 sitting still and taking pictures between moves. The total amount
 of time when Spirit was actually moving was about two minutes.
=09
 "These are the sorts of baby steps we're taking," said JPL's Dr.
 Eddie Tunstel, rover mobility engineer.
=09
 "The drive was designed for two purposes, one of which was to get to
 the rock," Tunstel said. "From the mobility engineers' standpoint,
 this drive was geared to testing out how we do drives on this new
 surface." Gathering new information such as how much the wheels
 slip in the martian soil will give the team confidence for more
 ambitious drives in future weeks and months.
=09
 "Adirondack is now about one foot (30 centimeters) in front of the
 front wheels," he said.
=09
 Scientists chose Adirondack to be Spirit's first target rock rather
 than another rock, called Sashimi, that would have been a shorter,
 straight-ahead drive. Rocks are time capsules containing evidence of
 the environmental conditions of the past, said Dr. Dave Des Marais,
 a rover science-team member from NASA Ames Research Center, Moffett
 Field, Calif. "We needed to decide which of these time capsules to
 open."
=09
 Sashimi appears dustier than Adirondack. The dust layer could
 obscure good observations of the rock's surface, which may give
 information about chemical changes and other weathering from
 environmental conditions affecting the rock since its surface was
 fresh. Also, Sashimi is more pitted than Adirondack. That makes it a
 poorer candidate for the rover's rock abrasion tool, which scrapes
 away a rock's surface for a view of the interior evidence about
 environmental conditions when the rock first formed. Adirondack has
 a "nice, flat surface" well suited to trying out the rover's tools
 on their first martian rock, Des Marais said.
=09
 "The hypothesis is that this is a volcanic rock, but we'll test that
 hypothesis," he said.=20
=09
 Spirit arrived at Mars Jan. 3 (EST and PST; Jan.
 4 Universal Time) after a seven-month journey. In coming weeks and =
months,
 according to plans, it will be exploring for clues in rocks and
 soil to decipher whether the past environment in Gusev Crater
 was ever watery and possibly suitable to sustain life.
=09
 Spirit's twin Mars Exploration Rover, Opportunity, will reach Mars
 on Jan. 25 (EST and Universal Time; 9:05 p.m., Jan. 24, PST) to
 begin a similar examination of a site on the opposite side of the
 planet from Gusev Crater.
=09
 JPL, a division of the California Institute of Technology in
 Pasadena, manages the Mars Exploration Rover project for NASA's
 Office of Space Science, Washington, D.C. Images and additional
 information about the project are available from JPL at
=09
 http://marsrovers.jpl.nasa.gov
=09
 from Cornell University, Ithaca, N.Y., at=20
=09
 http://athena.cornell.edu/ .
 -end-
=09
=09
=09
=09
=09
 ______________________________________________
 Meteorite-list mailing list
 Meteorite-list_at_meteoritecentral.com
 http://www.pairlist.net/mailman/listinfo/meteorite-list
 _____ =20

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<o:p> </o:p>

Nice B & W image of =
Adirondack….<o:p></o:p>

<o:p> </o:p>

<a
href=3D"http://marsrovers.jpl.nasa.gov/gallery/all/2/p/016/2P127783908EFF=
0327P2370L7M1.JPG">http://marsrovers.jpl.nasa.gov/gallery/all/2/p/016/2P1=
27783908EFF0327P2370L7M1.JPG</a><o:p></o:p>

<o:p> </o:p>

<o:p> </o:p>

-----Original =
Message----- 
From: mark ford 
Sent: 20 January 2004 =
14:58 
To: =
meteorite-list_at_meteoritecentral.com 
Subject: RE: =
[meteorite-list]
Spirit Drives to a Rock Called 'Adirondack' for Close =
Inspection

<o:p> </o:p>

<o:p> </o:p>=


<o:p> </o:p>=


Looks
like there are quite a few vesicles =
too….<o:p></o:p>

<o:p> </o:p>=


Mark
Ford<o:p></o:p>

<o:p> </o:p>=


-----Original =
Message----- 
From: Thomas Webb
[mailto:webbth1_at_yahoo.com] 
Sent: 20 January 2004 =
14:36 
To: Ron Baalke 
Cc: =
meteorite-list_at_meteoritecentral.com 
Subject: Re: =
[meteorite-list]
Spirit Drives to a Rock Called 'Adirondack' for Close =
Inspection<o:p></o:p>

<o:p> </o:p>

<div>

Ron and =
List,<o:p></o:p>

</div>

<div>

Does it appear =
to you
that there may have been some shearing on the right hand side of the =
rock
called 'Adirondack'?<o:p></o:p>

</div>

<div>

Thomas H. =
Webb 
 
Ron Baalke
<baalke_at_zagami.jpl.nasa.gov> =
wrote:<o:p></o:p>

</div>

<blockquote style=3D'border:none;border-left:solid #1010FF =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>

 
 
Guy Webster (818) 354-5011 
Jet Propulsion Laboratory, Pasadena, Calif. 
 
Donald Savage (202) 358-1547 
NASA Headquarters, Washington, D.C. 
 
News Release: 2004-024 January 19, 2004 
 
Spirit Drives to a Rock Called 'Adirondack' for Close Inspection 
 
NASA's Spirit rover has successfully driven to its first target on 
Mars, a football-sized rock that scientists have dubbed Adirondack. 
 
The Mars Exploration Rover flight team at NASA's Jet Propulsion 
Laboratory, Pasadena, Calif., plans to send commands to Spirit early 
Tuesday to examine Adirondack with a microscope and two instruments 
that reveal the composition of rocks, said JPL's Dr. Mark Adler, 
Spirit mission manager. The instruments are the M=F6ssbauer 
spectrometer and the alpha particle X-ray spectrometer. 
 
Spirit successfully rolled off the lander and onto the martian 
surface last Thursday. To make the drive to Adirondack, the rover 
turned 40 degrees in short arcs totaling 95 centimeters (3.1 feet). 
It then turned in place to face the target rock and drove four short 
moves straightforward totaling 1.9 meters (6.2 feet). The moves 
covered a span of 30 minutes on Sunday, though most of that was 
sitting still and taking pictures between moves. The total amount 
of time when Spirit was actually moving was about two minutes. 
 
"These are the sorts of baby steps we're taking," said JPL's =
Dr. 
Eddie Tunstel, rover mobility engineer. 
 
"The drive was designed for two purposes, one of which was to get =
to 
the rock," Tunstel said. "From the mobility engineers' =
standpoint, 
this drive was geared to testing out how we do drives on this new 
surface." Gathering new information such as how much the wheels 
slip in the martian soil will give the team confidence for more 
ambitious drives in future weeks and months. 
 
"Adirondack is now about one foot (30 centimeters) in front of =
the 
front wheels," he said. 
 
Scientists chose Adirondack to be Spirit's first target rock rather 
than another rock, called Sashimi, that would have been a shorter, 
straight-ahead drive. Rocks are time capsules containing evidence of 
the environmental conditions of the past, said Dr. Dave Des Marais, 
a rover science-team member from NASA Ames Research Center, Moffett 
Field, Calif. "We needed to decide which of these time capsules =
to 
open." 
 
Sashimi appears dustier than Adirondack. The dust layer could 
obscure good observations of the rock's surface, which may give 
information about chemical changes and other weathering from 
environmental conditions affecting the rock since its surface was 
fresh. Also, Sashimi is more pitted than Adirondack. That makes it a 
poorer candidate for the rover's rock abrasion tool, which scrapes 
away a rock's surface for a view of the interior evidence about 
environmental conditions when the rock first formed. Adirondack has 
a "nice, flat surface" well suited to trying out the rover's =
tools 
on their first martian rock, Des Marais said. 
 
"The hypothesis is that this is a volcanic rock, but we'll test =
that 
hypothesis," he said. 
 
Spirit arrived at Mars Jan. 3 (EST and PST; Jan. 
4 Universal Time) after a seven-month journey. In coming weeks and =
months, 
according to plans, it will be exploring for clues in rocks and 
soil to decipher whether the past environment in Gusev Crater 
was ever watery and possibly suitable to sustain life. 
 
Spirit's twin Mars Exploration Rover, Opportunity, will reach Mars 
on Jan. 25 (EST and Universal Time; 9:05 p.m., Jan. 24, PST) to 
begin a similar examination of a site on the opposite side of the 
planet from Gusev Crater. 
 
JPL, a division of the California Institute of Technology in 
Pasadena, manages the Mars Exploration Rover project for NASA's 
Office of Space Science, Washington, D.C. Images and additional 
information about the project are available from JPL at 
 
http://marsrovers.jpl.nasa.gov 
 
from Cornell University, Ithaca, N.Y., at 
 
http://athena.cornell.edu/ . 
-end- 
 
 
 
 
 
______________________________________________ 
Meteorite-list mailing list 
Meteorite-list_at_meteoritecentral.com 
http://www.pairlist.net/mailman/listinfo/meteorite-list<o:p></o:p>=


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