51
earth
× 5 |
11
the-sun
× 5 |
7
saturn
× 2 |
6
mars
|
42
solar-system
× 9 |
11
spectra
× 4 |
7
angular-resolution
× 2 |
5
optics
× 2 |
38
the-moon
× 5 |
11
big-bang-theory
× 3 |
7
space
|
5
spectroscopy
|
37
telescope
× 8 |
11
telescope-lens
× 2 |
7
space-debris
|
5
heat
|
27
galaxy
× 6 |
11
johannes-kepler
× 2 |
6
cosmology
× 4 |
5
hubble-telescope
|
25
near-earth-object
|
10
observational-astronomy
× 3 |
6
time
|
4
nebula
× 2 |
24
history
× 4 |
10
speed
|
6
planetary-ring
|
4
hydrogen
|
19
gravity
× 5 |
9
milky-way
× 3 |
6
night-sky
|
4
helium
|
18
planet
× 5 |
9
life
× 2 |
6
supernova
|
3
interstellar-travel
× 2 |
16
light
× 3 |
9
star-formation
|
6
explosion
|
3
rotation
|
14
orbit
× 3 |
8
amateur-observing
× 3 |
6
extra-terrestrial
|
3
terrestrial-planets
|
12
exoplanet
× 4 |
8
fundamental-astronomy
× 2 |
6
naming
|
3
solar-eclipse
|
12
star
× 3 |
7
general-relativity
× 3 |
6
eccentric-orbit
|
2
distances
× 2 |
Conrad Turner
