Physics & Astronomy
crusts
100%
mars
94%
minerals
78%
sampling
66%
pigments
33%
permafrost
16%
carbon isotopes
15%
carotenoids
14%
biomarkers
13%
fatty acids
13%
spectral signatures
13%
gas chromatography
12%
payloads
11%
carbonates
11%
mass spectroscopy
9%
Raman spectroscopy
8%
spectrometers
7%
water
5%
Agriculture & Biology
pigments
60%
minerals
59%
permafrost
40%
Raman spectroscopy
32%
carbon isotopes
31%
carbonates
29%
spectrometers
29%
sampling
28%
Arctic region
27%
gas chromatography-mass spectrometry
25%
biomarkers
24%
organic matter
23%
carotenoids
22%
fatty acids
18%
water
10%
methodology
7%
Earth & Environmental Sciences
Mars
73%
crust
60%
sampling
45%
mineral
44%
pigment
28%
impact structure
25%
carotenoid
12%
Raman spectroscopy
11%
permafrost
9%
biomarker
9%
carbon isotope
9%
gas chromatography
9%
fatty acid
9%
mass spectrometry
8%
spectrometer
8%
carbonate
6%
organic matter
6%
distribution
3%
water
3%
analysis
2%