Home > Industry/Domain > Astronomy
Astronomy
The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.
13Categories 47688Terms
Add a new termContributors in Astronomy
Astronomy > Galaxy
black hole
Astronomy; Galaxy
A black hole is the circular dark space that sits at the center of a galaxy which absorbs everything including light so nothing can be reflected or escaped from it. Around a black ...
Magellanic Clouds
Astronomy; Galaxy
Two small galaxies that are the galaxies closest to the Milky Way. These are faintly visible in the night sky of the Southern Hemisphere.
asteroid number
Astronomy; Galaxy
Asteroids are assigned a serial number when they are discovered; it has no particular meaning except that asteroid N+1 was discovered after asteroid N
active sun
Astronomy; Galaxy
The Sun during its 11-year cycle of activity when spots, flares, prominences, and variations in radiofrequency radiation are at a maximum.
Sub-categories
- Astrometry (117)
- Astronaut (14221)
- Comets (3684)
- Cosmology (251)
- Galaxy (567)
- General astronomy (16061)
- Mars (1797)
- Mathematical astronomy (130)
- Moon (1858)
- Planetary science (7689)
- Planetology (678)
- Radio astronomy (37)
- Solar system (663)