astronomical region
C17390
concept
An astronomical region is a defined area of space, often delineated by physical, observational, or conceptual boundaries, used to study and describe the distribution and behavior of celestial objects and phenomena.
Observed surface forms (18)
- astronomical feature ×6
- astronomical standard ×5
- fictional astronomical region ×4
- astronomical location ×3
- region of space ×3
- region of the Solar System ×3
- astronomical point ×2
- astronomical radio source ×2
- controversial astronomical object ×2
- astronomicalRegion ×1
- celestial location ×1
- celestial mechanics region ×1
- deep-sky region ×1
- interstellar medium feature ×1
- ionized gas region ×1
- outer galactic disk region ×1
- photodissociation region ×1
- trans-Neptunian region ×1
Instances (48)
- Earth–Moon Lagrange region via concept surface "celestial mechanics region"
- Asteroid belt via concept surface "region of the Solar System"
- outer Solar System
- Centaurus constellation region
- CMa Overdensity via concept surface "controversial astronomical object"
- IAU 88 modern constellations list via concept surface "astronomical standard"
- Northern Celestial Hemisphere
- Solar neighborhood
- Mare Imbrium vicinity via concept surface "astronomical location"
- SQ3
- Kuiper Belt via concept surface "region of the Solar System"
- lunar south polar region
- IERS Conventions via concept surface "astronomical standard"
-
L2
via concept surface "celestial location"
surface form: Sun–Earth L2
- Outer Rim Territories via concept surface "fictional astronomical region"
- Anoat sector via concept surface "region of space"
- Sector 2814 via concept surface "region of space"
- Local Volume
-
H II regions
via concept surface "ionized gas region"
surface form: H II region
- North Polar Spur via concept surface "astronomical radio source"
- Canis Major Overdensity via concept surface "controversial astronomical object"
- Orion Bar via concept surface "photodissociation region"
- radio source W1 via concept surface "astronomical radio source"
- IAU 1991 Resolution A4 via concept surface "astronomical standard"
- IAU 2000 resolutions via concept surface "astronomical standard"
- Zone of Avoidance of the Milky Way
- Galactic anticenter via concept surface "astronomical point"
- AchernarRegionNearHydrus
- IAU standards via concept surface "astronomical standard"
- Huygens Gap via concept surface "astronomical feature"
- Bessel Gap via concept surface "astronomical feature"
- Jeffreys Gap via concept surface "astronomical feature"
- Orion's Sword via concept surface "deep-sky region"
- Barnard Gap via concept surface "astronomical feature"
- North Ecliptic Pole via concept surface "astronomical point"
- Seven Sisters region
- inner Solar System via concept surface "region of the Solar System"
- Unknown Regions via concept surface "fictional astronomical region"
- Sayshell sector via concept surface "fictional astronomical region"
- Chommell sector via concept surface "region of space"
- Southern Cross region via concept surface "astronomicalRegion"
- Crux region of the Milky Way
- Delta Quadrant via concept surface "fictional astronomical region"
- northeastern disk of M31 via concept surface "outer galactic disk region"
- Encke Gap via concept surface "astronomical feature"
- Sea of Showers via concept surface "astronomical feature"
- Surveyor 3 landing site via concept surface "astronomical location"
- Apollo 12 landing site via concept surface "astronomical location"