southern triangle
Học thuậtThân thiện
A small, bright constellation called the Southern Triangle shines in the clear night sky.
Definition
Proper noun 1. A constellation: "Southern Triangle" is the common name for the constellation Triangulum Australe. It is a small but distinct constellation in the southern celestial hemisphere, characterized by its three bright stars forming a prominent triangular shape.
Usage
- The word "Southern Triangle" is used as a proper noun to specifically identify this constellation. It is always capitalized.
- It is typically used in astronomical contexts, such as in star charts, astronomy guides, or when describing the night sky in the Southern Hemisphere.
Examples
- Proper noun:
- The Southern Triangle is one of the 88 modern constellations recognized by the International Astronomical Union.
- To find the star Alpha Centauri, you can use the Southern Triangle as a guidepost in the sky.
- Unlike its fainter northern counterpart (Triangulum), the Southern Triangle is quite bright and easy to spot.
Advanced Usage
- "Triangulum Australe": This is the Latin, scientific name for the constellation. "Southern Triangle" is its English equivalent. In formal astronomical writing, the Latin name is often preferred.
- The constellation Triangulum Australe was first catalogued by the Dutch astronomer Petrus Plancius in the 16th century.
Variants and Related Words
- Triangulum Australe (n): The Latin name for the Southern Triangle constellation.
- Triangulum (n): A separate, smaller and fainter constellation in the northern hemisphere, known as "The Triangle".
Synonyms
- Triangulum Australe (n): The formal Latin synonym.
Notes on Meaning
- The term refers exclusively to the constellation. It is not used as a general geometric term for any triangle located in the south.
- Its defining characteristic is its simple, bright triangular asterism (star pattern), which makes it easily recognizable.
A small, bright constellation called the Southern Triangle shines in the clear night sky.
Noun
- a small bright constellation in the polar region of the southern hemisphere near Circinus and Apus