small magellanic cloud

Thân thiện

A small telescope reveals the Small Magellanic Cloud in the southern night sky.

Definition

1. Proper Noun:
   • A dwarf irregular galaxy: The Small Magellanic Cloud (SMC) is a small, irregularly shaped galaxy that is a satellite of our own Milky Way galaxy. It is one of the nearest galaxies to Earth.
   • A celestial object in the southern hemisphere: It is a prominent, cloud-like feature in the night sky visible only from the Southern Hemisphere, named after the explorer Ferdinand Magellan.

Usage Examples

• Proper Noun:
  • The Small Magellanic Cloud is a valuable laboratory for studying star formation.
  • Astronomers observed a supernova remnant in the Small Magellanic Cloud.
  • Along with the Large Magellanic Cloud, the Small Magellanic Cloud is often considered a twin satellite galaxy of the Milky Way.

Advanced Usage

• The term is almost always used in its full form, "Small Magellanic Cloud," or its standard abbreviation "SMC," especially in scientific contexts. It is a specific astronomical proper noun.
• "The Magellanic Clouds": This phrase refers to the pair, including both the Large and the Small Magellanic Cloud.
  • The Magellanic Clouds are connected by a bridge of gas.

Variants and Related Words

• Large Magellanic Cloud (LMC) (Proper Noun): The larger of the two Magellanic Cloud galaxies.
• Magellanic Clouds (Proper Noun): The collective name for the pair of dwarf galaxies.
• Dwarf galaxy (Noun): A small galaxy composed of several billion stars, a category which includes the SMC.
• Satellite galaxy (Noun): A galaxy that orbits a larger host galaxy, as the SMC orbits the Milky Way.

Synonyms

• SMC (Proper Noun): The standard acronym.
• Nubecula Minor (Proper Noun): A less common Latin-derived name.

Related Phrases

• "Visible to the naked eye": A common phrase used to describe the SMC, as it appears as a faint, hazy patch in the sky without optical aid.
  • The Small Magellanic Cloud is one of the few galaxies visible to the naked eye.

Học thuật

Noun

1. the smaller of the two Magellanic Clouds visible from the southern hemisphere

Từ đồng nghĩa

• small magellanic cloud