Physics
Photometry
100%
Astrometry
91%
Proper Motion
65%
Data Transmission
45%
X Ray
39%
Parallax
29%
Quasar
27%
Galaxy Clusters
26%
Milky Way
24%
Data Product
24%
Radial-Velocity Method
20%
White Dwarf
16%
Stellar Mass
16%
Near Infrared
13%
Open Cluster
13%
Photometric Systems
13%
Metallicity
12%
Stellar Populations
12%
Brightest Cluster Galaxies
12%
Solar Neighborhood
12%
Photometer
12%
Hertzsprung-Russell Diagram
12%
Transients
12%
Globular Cluster
11%
RR Lyrae Variable Stars
10%
Line of Sight
10%
Large Magellanic Cloud
10%
Absolute Magnitude
9%
Very Long Base Interferometry
9%
Data Quality
9%
Magellanic Clouds
9%
Cold Dark Matter
8%
Flatness
8%
Image Analysis
8%
Dwarf Galaxy
8%
Signal-to-Noise Ratio
8%
Spectral Energy Distribution
8%
X Ray Spectroscopy
8%
Variable Star
8%
Nonuniformity
8%
Diffuse Interstellar Bands
8%
Galaxy Classification Systems
8%
Markov Chain
8%
Covariance
8%
Milky Way Disk
8%
Early-Type Galaxies
8%
Moving Cluster Parallax
8%
Spiral Arms
6%
Spacecraft
6%
Galactic Evolution
6%
Engineering
Spread Function
16%
Passbands
8%
Spectral Resolution
8%
Point Spread Function
8%
Lagrange Point
8%
Commissioning Activity
8%
Basis Function
8%
Clock Rate
8%
Spin Rate
8%
Initial Data
8%
Reference System
8%
Hadoop
8%
Focal Plane
8%
Systematic Error
6%
Limitations
6%
Product Data
5%