Authors: Rod Pyle
by Mars Global Surveyor,
110
,
112
,
112
,
118
,
153
by Mars Reconnaissance Orbiter using HD,
195
–
207
,
206
,
255
by Pathfinder and Sojourner,
127
,
128
,
131
–
32
,
140
taken by the MER rovers,
178
,
184
–
85
,
186
by the Viking mission
taken by landers,
21
–
24
,
22
,
89
–
90
taken by orbiters,
20
,
21
,
25
,
85
,
110
,
125
See also
mapping of Mars;
photo section
photosynthesis on Mars, search for,
88
–
89
phyllosilicates,
202
“Planetary Patrol,”
85
planetary quarantine of Mars,
21
,
297n2
Planum Australe (Southern Plain) (southern polar cap),
33
–
35
Planum Boreum (Northern Plain) (northern polar cap),
33
polar caps of Mars,
145
need for further study of,
269
–
70
northern polar cap,
33
,
202
.
See also
photo section
Phoenix lander visiting polar regions,
230
,
248
,
250
See also
northern hemisphere of Mars; southern hemisphere of Mars
See also
photo section
Pot of Gold (rock examined by Spirit),
213
–
14
Power PC chips
®
,
257
Pyroeis (Greek name for planet Mars),
38
Pyrolitic-Release experiment (Viking landers),
88
–
89
,
95
,
101
quarantine.
See
planetary quarantine of Mars
RAD.
See
Radiation Assessment Detector
radar,
255
laser-powered radar,
234
radar altimeter,
124
,
144
,
145
–
46
subsurface radar,
197
use of to find landing sites for Viking,
19
–
20
,
86
,
87
Radiation Assessment Detector (RAD),
256
–
57
radiation in Martian orbital path,
158
,
164
Radioisotope Thermal Generators (RTGs),
121
,
310
–
11n1
radiometric analyses of Mars,
62
radio waves, measuring Mars's atmospheric effect on,
53
Ranger program,
73
RAT.
See
Rock Abrasion Tool
Rawlings, Pat.
See
photo section
reaction wheels,
198
redundancy in planning,
159
,
307n1
(
chap. 18
)
regolith.
See
soil on Mars
REMS.
See
Rover Environmental Monitoring Station
Remus and Romulus (Mars's two sons),
38
Rhea-Silvia (Roman goddess mother of Mars),
38
robotic arm.
See
sampler arms
Rock Abrasion Tool (RAT),
173
,
179
,
180
,
182
,
213
,
258
“rocker-bogie” system, Sojourner's used by MER,
308n1
(
chap. 20
)
Rock Garden (area to be explored by Sojourner),
130
cooling rates of rocks,
162
drilling rocks as part of Mars Science Laboratory project,
263
–
64
,
285
finding crystals,
182
found by Opportunity,
184
,
185
,
215
–
17
found by Spirit,
179
–
82
,
213
–
14
,
225
Romulus and Remus (Mars's two sons),
38
rotational period of Mars,
27
,
40
Rover Environmental Monitoring Station (REMS),
257
rovers
creating an astrobiology-laboratory rover,
269
See also
10-K rover at FMARS; Curiosity (rover); Opportunity (rover); Pathfinder mission; Sojourner (rover); Spirit (rover)
RTGs.
See
Radioisotope Thermal Generators
Russian Federation,
306n1
and the ExoMars probe,
146
and the Mars Express mission,
143
–
46
and the Mars Science Laboratory project,
256
potential missions 2021–2030,
294
and Soyuz capsule,
293
See also
Soviet Union's space programs
Dr. Carl Sagan Memorial Station,
124
Sample Analysis at Mars (SAM),
256
,
263
sampler arms,
85
,
88
,
92
,
93
,
144
,
153
,
167
–
68
,
172
,
180
,
232
,
239
,
258
,
263
,
302n3
problems with,
214
,
223
,
224
,
235
,
239
–
40
,
249
–
50
See also
photo section
data return from the Cassini probe,
309n1
(
chap. 22
)
Titan (a moon of Saturn),
33
,
243
–
44
Saunders, Steve,
166
scanning calorimetry,
310n3
Schiaparelli, Giovanni,
41
,
43
–
45
,
44
See also
photo section
Science
(journal),
216
“Scout missions” (low-cost missions),
249
,
311
–
12n2
MAVEN scheduled for possible launch in 2012,
267
–
68
Phoenix lander as an example,
230
.
See also
Phoenix lander
seasons.
See
weather on Mars
sedimentation exploration,
174
,
182
“bathtub ring” in Victoria Crater,
222
buried in lava,
191
finding “cross-lamination,”
185
using CTX camera to study water-deposited sediments,
197
See also
soil on Mars
“Send Your Name to Mars” outreach program,
175
Shallow Subsurface Radar (SHARAD),
197
Shark (rock found by Sojourner),
129
Shenzhou/Soyuz (Chinese mission),
293
shock sensor causing MPL lander crash,
230
Sinus Meridiani (Meridian Bay),
33
size of Mars,
41
Skycrane (system to land MSL),
254
Sleepy Hollow (basin near landing site of Spirit),
174
SLS.
See
Space Launch System
able to support some earthly crops,
238
–
39
equipment for testing.
See
Microscopy, Electrochemistry, and Conductivity Analyzer; Thermal and Electrical Conductivity Probe;
Thermal and Evolved Gas Analyzer
examined at microscopic levels,
233
and the Mars Odyssey program,
162
measuring soil movement,
111
and the MRO,
205
need for deep-soil drilling,
269
–
70
and Phoenix,
235
–
37
.
See also
photo section
search for life-forms in,
85
,
88
–
89
,
93
–
95
and Spirit,
179
water ice in soil.
See
permafrost
See also
perchlorate; sedimentation exploration
Sojourner (rover),
127
–
32
,
134
,
176
,
232
–
33
,
245
,
253
,
256
getting stuck in sand,
130
length of successful operations,
172
providing knowledge for building Spirit and Opportunity,
171
,
173
,
174
“rocker-bogie” system,
175
,
308n1
(
chap. 20
)
See also
Pathfinder mission;
photo section
sol (a Martian day), length of,
27
,
40
,
124
,
238
and the Mars Global Surveyor
solar panel failing after ten years,
114
Phoenix lander's panels cracking from the cold,
241
used on MER,
172
See also
photo section
solar radiation on Mars,
164
,
297n2
southern hemisphere of Mars,
32
,
42
,
62
,
64
,
69
,
201
,
219
See also
polar caps of Mars
Soviet Union's space programs,
293
attempts to probe Mars,
21
,
52
,
57
,
76
,
79
,
86
,
107
,
143
,
147
,
297n1
,
306nn1–2
,
300n1
(
chap. 4
),
301n1
(
chap. 10
)
attempts to probe Venus,
57
,
107
,
143
,
297n1
,
306n1
,
300n1
(
chap. 4
)
See also
Russian Federation
Soyuz capsule (Russian),
293
Space Exploration Technologies (SpaceX),
292
Space Launch System (SLS),
292
,
293
SpaceX.
See
Space Exploration Technologies
spectroscopic analyses of Mars,
45
,
62
,
64
Alpha Proton X-Ray Spectrometer (APXS),
121
,
131
,
172
Compact Reconnaissance Imaging Spectrometers for Mars (CRISM),
196
Fourier Spectrometer,
144
gamma-ray spectrometer,
158
,
162
,
247
Gas Chromatograph/Mass Spectrometer experiment (Viking landers),
88
laser spectrometer,
258
mass spectrometer,
19
Mössbauer spectrometer,
173
,
262
OMEGA spectrometer,
144
SPICAM spectrometer,
144
Thermal Emission Spectrometer,
172
thermal infrared spectrometer,
262
spherules.
See
“blueberries” SPICAM spectrometer,
144