Physics & Astronomy
chondrule
100%
solar nebula
73%
protoplanetary disks
62%
ice
49%
planets
48%
shock
41%
Kuiper belt
38%
meteorites
37%
solar system
36%
Charon
34%
extrasolar planets
33%
dust
31%
Pluto (planet)
27%
water
26%
oceans
22%
cooling
21%
radioactive isotopes
21%
gases
21%
supernovae
20%
inclusions
19%
lightning
18%
ambipolar diffusion
18%
Earth mantle
17%
ejecta
17%
star formation
17%
crusts
17%
exobiology
17%
stars
17%
protoplanets
16%
comets
16%
bows
15%
James Webb Space Telescope
15%
calcium
15%
rocks
14%
asteroids
14%
atmospheres
14%
magma
14%
chondrites
13%
histories
13%
molecular clouds
13%
Jupiter (planet)
12%
silicates
12%
water vapor
12%
geochemistry
12%
embryos
11%
natural satellites
11%
stellar systems
11%
impactors
11%
dwarf planets
11%
liquids
10%
Earth & Environmental Sciences
chondrule
84%
solar system
60%
planet
55%
ice
40%
meteorite
34%
gas
33%
Pluto
31%
radionuclide
31%
dust
31%
cooling
24%
accretion
24%
aluminum
20%
calcium
20%
comet
19%
ejecta
19%
Moon
19%
material
18%
thermal evolution
16%
chondrite
16%
magnetic field
15%
planetesimal
15%
atmosphere
15%
asteroid
15%
liquid
14%
water
14%
ionization
13%
particle
13%
ocean
12%
impactor
12%
Jupiter
12%
temperature
11%
silicate
11%
radiation
11%
crust
11%
rate
11%
mantle
10%
effect
10%
lightning
10%
rock
10%
water vapor
10%
stoichiometry
10%
geochemistry
10%
beryllium isotope
10%
embryo
10%
mercury
9%
parent body
9%
homogeneity
9%
hydrogen
9%
history
9%
angular momentum
9%