Physics & Astronomy
galaxies
100%
dark energy
90%
Magellanic clouds
53%
stars
52%
telescopes
44%
supernovae
43%
quasars
42%
star formation
38%
gravitational waves
36%
molecular clouds
31%
neutron stars
30%
dust
30%
catalogs
29%
LIGO (observatory)
28%
luminosity
26%
nebulae
25%
x rays
25%
supernova remnants
24%
magnetic fields
23%
protostars
22%
microwaves
22%
planetary nebulae
22%
halos
21%
polarization
21%
dark matter
21%
cosmology
21%
poles
19%
active galactic nuclei
18%
sky
18%
envelopes
17%
binary stars
17%
masers
16%
simulation
16%
gases
16%
light curve
15%
molecular gases
15%
massive stars
15%
estimates
15%
event horizon
15%
relativity
14%
nuclear fusion
13%
reverberation
13%
astrophysics
12%
power spectra
12%
observatories
12%
H II regions
12%
ambipolar diffusion
11%
continuums
11%
Hubble Space Telescope
11%
detectors
11%
baryons
10%
time measurement
10%
kinematics
10%
radii
10%
stellar mass
10%
bubbles
9%
wavelengths
9%
metallicity
9%
cameras
9%
physics
9%
probes
9%
photometry
9%
high resolution
8%
line of sight
8%
neutrinos
8%
universe
8%
stellar winds
8%
SOFIA (airborne observatory)
8%
star formation rate
8%
spectroscopy
8%
cosmic rays
8%
clumps
8%
field strength
8%
explosions
8%
gamma rays
8%
XMM-Newton telescope
8%
ejecta
8%
accretion disks
7%
point sources
7%
gamma ray bursts
7%
high temperature gases
7%
rings
7%
astronomy
7%
color
7%
shear
7%
spectral energy distribution
7%
lenses
7%
shock
7%
magnetohydrodynamics
7%
time lag
7%
histories
7%
sensitivity
7%
dwarf galaxies
7%
newton
7%
Very Large Array (VLA)
6%
predictions
6%
millimeter waves
6%
cross correlation
6%
profiles
6%
gravitation
6%
Earth & Environmental Sciences
energy
47%
luminosity
44%
accretion
28%
gas
27%
polarization
26%
merger
25%
cosmology
21%
simulation
16%
outflow
15%
detection
15%
wavelength
15%
distribution
14%
shell
14%
young
13%
spectroscopy
13%
magnetohydrodynamics
13%
gamma radiation
13%
microwave
13%
observatory
11%
rate
10%
bubble
10%
parameter
10%
analysis
9%
kinematics
9%
erg
9%
effect
8%
calibration
8%
astronomy
8%
near infrared
8%
explosion
8%
ionization
7%
project
7%
angular momentum
7%
cosmic ray
7%
transition
6%
point source
6%
radiation
6%
temperature
6%
physical property
5%
modeling
5%
comparison
5%