Physics & Astronomy
x rays
100%
gratings
67%
rockets
52%
atmospheric physics
27%
error functions
23%
nebulae
22%
accretion disks
21%
luminosity
21%
lithography
21%
payloads
21%
budgets
18%
electron beams
18%
light emission
17%
spectrometers
17%
stars
16%
XMM-Newton telescope
16%
telescopes
16%
x ray sources
13%
newton
13%
spectrographs
13%
Hubble Space Telescope
13%
extrasolar planets
13%
performance
12%
stellar mass
12%
time measurement
11%
holographic spectroscopy
11%
spectroscopy
11%
habitability
10%
water reclamation
10%
orbitals
10%
radial velocity
10%
spiral galaxies
10%
galaxies
10%
echelle gratings
10%
grooves
9%
characterization
9%
optical spectrum
9%
sounding rockets
9%
spectral resolution
9%
Rowland circles
9%
supergiant stars
8%
x ray optics
8%
astrophysics
8%
bubbles
8%
Very Large Array (VLA)
7%
modulation
7%
etching
7%
supernova remnants
7%
periodic variations
7%
Mathematics
Gratings
70%
Extreme Ultraviolet
47%
Electron Beam Lithography
33%
X-ray Spectroscopy
25%
Ultraviolet
20%
Exoplanets
20%
X-ray Optics
19%
Spectrograph
19%
Spectrometer
19%
Soft X-ray
18%
Etching
14%
Fabrication
13%
Focal Plane
13%
Optical Design
12%
Telescope
12%
X-ray Imaging
11%
Silicon
11%
Physics
11%
Design
10%
Polarimetry
10%
Diffractive Optics
10%
Spectroscopy
10%
Astrophysics
10%
NASA
9%
Irradiance
9%
Mechanical Design
9%
Experiment
8%
Diffraction Grating
8%
Detector
8%
Astronomy
7%
Performance
7%
Driver
7%
Update
7%
Error function
6%
Alignment
6%
Supernovae
6%
Imaging
6%
Characterization
6%
Microchannel Plate
6%
Line
5%
Star
5%
High Energy
5%
Nanofabrication
5%
Observatory
5%
Earth & Environmental Sciences
luminosity
34%
accretion
30%
radio
23%
erg
18%
periodicity
13%
spectrometer
12%
detection
11%
budget
9%
electron
9%
bubble
9%
wavelength
8%
energy
8%
transition
8%
outburst
8%
atmospheric physics
8%
spectral resolution
7%
diffraction
7%
emission standard
7%
curvature
6%
optical property
5%
outflow
5%
