halley

Thân thiện

Halley's Comet appears in the night sky.

Definition

1. Proper noun:
   • A surname: "Halley" is primarily known as the surname of the English astronomer Edmond Halley.
   • The name of a famous comet: By association, "Halley" is commonly used to refer to Halley's Comet, the periodic comet whose return he successfully predicted.

Usage Examples

• Proper noun:
  • Edmond Halley was a contemporary of Sir Isaac Newton.
  • Halley is best remembered for his work on cometary orbits.
  • We studied Halley's contributions to astronomy in class.

Advanced Usage

• "Halley's Comet": The specific, famous comet with a period of about 76 years, officially designated 1P/Halley.
  • Halley's Comet is visible from Earth roughly every 76 years.
  • The last appearance of Halley's Comet was in 1986.

Variants and Related Words

• Halleyan (adj): Pertaining to Edmond Halley or his work.
  • The Halleyan method of calculation was groundbreaking.

Synonyms

• Edmond Halley (full name).
• 1P/Halley (scientific designation for the comet).

Related Phrases

• Halley's Comet: The complete and standard term for the comet associated with the name.
  • Many cultures recorded sightings of Halley's Comet throughout history.

Học thuật

Noun

1. English astronomer who used Newton's laws of motion to predict the period of a comet (1656-1742)

Từ đồng nghĩa

• Halley
• Edmond Halley
• Edmund Halley