Edwin Hubble

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Definition
  1. Proper noun:
    • An American astronomer: Edwin Hubble was a United States astronomer famous for his groundbreaking work in observational cosmology.
    • Discoverer of the expanding universe: He provided the first observational evidence for the expansion of the universe by showing that the speed at which galaxies recede increases with their distance from Earth.
Usage Examples
  • Proper noun:
    • Edwin Hubble's observations revolutionized our understanding of the cosmos.
    • The Hubble Space Telescope is named in honor of Edwin Hubble.
Advanced Usage
  • "Hubble's Law": The astronomical observation that galaxies are moving away from Earth at speeds proportional to their distance. This is a cornerstone of modern cosmology.
    • Hubble's Law provides key evidence for the Big Bang theory.
Variants and Related Words
  • Hubble constant (n): The unit of measurement used to describe the rate of expansion of the universe, derived from Hubble's Law.
  • Hubble sequence (n): A morphological classification scheme for galaxies, also developed by Edwin Hubble, often depicted as a tuning-fork diagram.
Synonyms
  • Astronomer: A scientist who studies celestial bodies and the universe.
  • Cosmologist: A scientist who studies the origin, evolution, and structure of the universe.
Related Phrases
  • Hubble's discovery: Commonly refers to his finding that the universe is expanding.
    • Hubble's discovery fundamentally changed astronomy.
  • Hubble's work: Refers to the collective contributions of Edwin Hubble to the field of astronomy.
    • Hubble's work laid the foundation for modern observational cosmology.
Noun
  1. United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)

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