Definition

1. Noun:
   • The scientific study of the origin, evolution, distribution, and future of life in the universe: Astrobiology is an interdisciplinary field that combines biology, astronomy, chemistry, and geology to investigate the potential for life beyond Earth and understand how life begins and adapts in different environments.

Examples of Usage

• Noun:
  • The discovery of water on Mars is a major topic of interest in astrobiology.
  • She decided to pursue a career in astrobiology to study the possibility of life on other planets.

Advanced Usage

• "The goals of astrobiology": This phrase refers to the core scientific questions the field seeks to answer, such as how life begins and whether it exists elsewhere.
  • Understanding the conditions for habitability is one of the primary goals of astrobiology.

Variants and Related Words

• Exobiology (n): A near-synonym for astrobiology, sometimes used more specifically for the search for life beyond Earth.

  • Exobiology focuses on the search for extraterrestrial biological entities.

• Bioastronomy (n): A related field emphasizing the astronomical search for life and its precursors.

• Astrobiologist (n): A scientist who specializes in astrobiology.

Synonyms

• Exobiology: The search for and study of extraterrestrial life.
• Space biology: The study of the effects of space environments on living organisms.

Related Phrases

• Search for extraterrestrial intelligence (SETI): A specific endeavor, often associated with astrobiology, that searches for signals from intelligent civilizations.

  • SETI is considered a component of the broader field of astrobiology.

• Planetary protection: A practice in astrobiology and space exploration to prevent biological contamination of other worlds and Earth.

  • Strict planetary protection protocols are followed to preserve the integrity of sites for astrobiology research.

Noun

1. the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life