11
star
× 2 |
5
earth-like-planet
|
3
early-universe
|
2
star-systems
|
9
universe
× 3 |
5
spectra
|
3
dark-energy
|
1
the-sun
|
8
life
× 3 |
4
expansion
× 2 |
3
cosmology
|
1
earth
|
7
exoplanet
× 3 |
4
planetary-science
|
3
impact-probability
|
1
space-telescope
|
6
night-sky
|
4
general-relativity
|
3
asteroids
|
1
data-analysis
|
5
zodiac
|
4
observable-universe
|
3
mars
|
1
cosmological-inflation
|
5
history
|
4
white-dwarf
|
2
supernova
× 2 |
0
supermassive-black-hole
|
5
coordinate
|
4
planet
|
2
gravity
|
0
galaxy
|
5
gravitational-waves
|
4
venus
|
2
neutron-star
|
0
radio-astronomy
|
5
observational-astronomy
|
3
black-hole
× 3 |
2
astrophysics
|
0
redshift
|
5
moon-phases
|
3
big-bang-theory
× 2 |
2
stellar-astrophysics
|
0
time
|
5
tidal-locking
|
3
quasars
× 2 |
2
positional-astronomy
|
0
explosion
|
5
the-moon
|
3
hubble-telescope
|
2
binary-star
|
Chappo Hasn't Forgotten Monica
