biosignature

Examples of biosignature in the following topics:

• Martian Biosignatures

  • A biosignature, a substance that provides scientific evidence of past or present life, is present in the form of fog on the planet Mars.
  • A biosignature is any substance - such as an element, isotope, molecule, or phenomenon - that provides scientific evidence of past or present life.
  • Scientists determine the significance of a biosignature not only by examining the probability of life creating it, but mostly by the improbability of abiotic processes producing it.
  • There are plans for future missions to Mars, the Mars Science Laboratory and ExoMars, which will not only search for biosignatures but try to detect habitable environments as well.