tucana
Học thuậtThân thiện
A small telescope points toward the constellation Tucana in the southern sky.
Definition
Proper noun 1. A constellation: Tucana is the name of a large but faint constellation in the southern celestial hemisphere. It is notable for containing the Small Magellanic Cloud, a dwarf galaxy and satellite of the Milky Way.
Usage
- As a subject: is one of the 88 modern constellations.
- With prepositions: The globular cluster 47 Tucanae is located the constellation .
Examples
- was first defined in the late 16th century.
- Astronomers study the Small Magellanic Cloud within .
- To view , you must be in the Southern Hemisphere.
Advanced Usage
- In scientific nomenclature: The genitive form "Tucanae" is used in the official names of stars and deep-sky objects within the constellation (e.g., the star Beta Tucanae).
- In celestial coordinates: Objects are described as being "in Tucana" to specify their location in the sky.
Variants and Related Words
- Tucanae (noun): The genitive (possessive) form used in astronomical naming conventions. Example: "47 Tucanae is a famous globular cluster."
Different Meanings
This word has only one primary meaning as a proper noun referring to the specific constellation. It is not commonly used with other meanings.
Synonyms
- The Toucan: This is the English translation and common name for the constellation, as it is named after the tropical bird.
Notes
- Capitalization: As a proper noun, "Tucana" is always capitalized.
- Context: This word is used almost exclusively in the context of astronomy and celestial navigation.
A small telescope points toward the constellation Tucana in the southern sky.
Noun
- a large faint constellation in the southern hemisphere containing most of the Small Magellanic Cloud