Physics & Astronomy
microwaves
100%
balloons
83%
polarization
60%
flight
48%
sky
45%
cosmic microwave background radiation
41%
anisotropy
39%
polarimeters
36%
millimeter waves
34%
power spectra
33%
bolometers
29%
polarimetry
25%
dust
24%
telescopes
23%
readout
21%
antireflection coatings
21%
magnetic bearings
20%
detectors
17%
Antarctic regions
16%
universe
15%
SOFIA (airborne observatory)
14%
gravity waves
14%
confidence
14%
stars
14%
platforms
13%
flight characteristics
13%
space missions
13%
Cosmic Background Explorer satellite
13%
systematic errors
12%
sapphire
12%
wavelengths
12%
broadband
11%
sensors
11%
cosmology
11%
balloon flight
11%
payloads
11%
aluminum oxides
10%
contamination
10%
computer programs
10%
balloon-borne instruments
10%
cameras
9%
x rays
9%
gravitational waves
9%
flight tests
9%
high resolution
9%
pixels
9%
probes
9%
astrophysics
8%
laser ablation
8%
forecasting
8%
Engineering & Materials Science
Balloons
44%
Polarization
41%
Polarimeters
40%
Microwaves
28%
Bolometers
27%
Sapphire
25%
Antireflection coatings
25%
Telescopes
23%
Millimeter waves
22%
Wavelength
18%
Experiments
17%
Cosmic rays
16%
SQUIDs
15%
X rays
13%
Detectors
13%
Magnetic bearings
13%
Laser ablation
11%
Optical devices
10%
Alumina
10%
Photoelectricity
10%
Cosmology
10%
Readout systems
10%
Stars
9%
Optical design
8%
Astronomy
8%
Cryogenics
8%
Gravity waves
8%
Demonstrations
8%
Lasers
8%
Systematic errors
7%
Satellites
7%
Modulation
7%
Submillimeter waves
6%
Cameras
6%
Photoelectrons
6%
Sensors
6%
Magnetization reversal
5%
Temperature
5%
Picosecond lasers
5%
Poles
5%
Photoelectron spectroscopy
5%
Diffraction
5%
Excited states
5%
NASA
5%
Earth & Environmental Sciences
microwave
80%
anisotropy
39%
polarization
39%
flight
29%
background radiation
23%
polar mesospheric cloud
18%
dust
17%
gravity wave
10%
detector
9%
magnetic field
8%
radiation
6%
data analysis
6%
analysis
6%
temperature
6%
software
6%
acoustics
6%
parameter
5%
photometer
5%
optical depth
5%
geometry
5%
alignment
5%
turbulence
5%