12
milky-way
× 5 |
5
exoplanet
× 2 |
2
parsec
|
0
mass
|
11
observational-astronomy
× 4 |
5
star
|
2
distances
|
0
star-formation
|
11
planet
× 2 |
5
lunar-eclipse
|
2
celestial-mechanics
|
0
space-probe
|
10
solar-system
× 3 |
4
life
× 2 |
1
galaxy
× 8 |
0
gravitational-waves
|
10
space-telescope
× 3 |
4
drake-equation
|
1
coordinate
× 2 |
0
sky-survey
|
8
night-sky
× 2 |
4
astrobiology
|
1
constellations
× 2 |
0
spiral-arms
|
8
binary-star
× 2 |
4
photography
|
1
earth
|
0
galactic-center
|
8
globular-clusters
|
3
radio-astronomy
|
1
movement
|
0
supermassive-black-hole
|
7
light
× 2 |
3
big-bang-theory
|
1
rotation
|
0
expansion
|
7
moonlanding
|
3
cosmic-ray
|
1
deep-sky-observing
|
0
cosmology
|
6
telescope
× 5 |
3
astrophysics
|
0
redshift
× 2 |
0
asteroids
|
6
the-moon
× 2 |
3
fundamental-astronomy
|
0
galactic-dynamics
× 2 |
0
saturn
|
6
orbit
× 2 |
2
parallax
× 2 |
0
nebula
|
0
planetary-ring
|
Fattie
