Physics & Astronomy
mars
78%
chlorides
66%
minerals
49%
deposits
44%
craters
37%
highlands
28%
sample return missions
27%
Mars missions
27%
geochemistry
26%
exobiology
26%
habitability
25%
brines
22%
montmorillonite
21%
climate
20%
remote sensing
18%
ultraviolet radiation
16%
magnesium
15%
salts
14%
histories
13%
time measurement
13%
evaporation
12%
iron
11%
high resolution
10%
water
9%
Earth & Environmental Sciences
Mars
61%
chloride
52%
crater
31%
mineral
27%
terrestrial deposit
25%
phyllosilicate
19%
ultraviolet radiation
19%
smectite
17%
coexistence
16%
brine
14%
magnesium
14%
preserve
14%
microbial community
13%
geochemistry
13%
evaporation
13%
salt
11%
organic matter
11%
iron
10%
remote sensing
10%
history
9%
climate
8%
basin
8%
material
6%
water
5%
Medicine & Life Sciences
Mars
100%
Chlorides
71%
Minerals
48%
Exobiology
30%
Smectite
30%
brine
27%
Climate
19%
Ultraviolet Rays
17%
Magnesium
16%
Microbiota
16%
Salts
14%
Iron
13%
Water
11%
Agriculture & Biology
chlorides
56%
minerals
37%
water activity
34%
geochemistry
27%
smectite
26%
remote sensing
19%
evaporation
16%
microbial communities
15%
preserves
15%
basins
15%
highlands
15%
organic matter
15%
ultraviolet radiation
14%
magnesium
14%
climate
13%
iron
12%
salts
11%
sampling
5%