COMMENTS

  1. First Detection of Sugars in Meteorites Gives Clues to Origin of Life

    In the context of previously proposed environments for the origin of life on Earth, we discuss how meteorite impacts can generate both subaerial and submarine hydrothermal vents, abundant hydrothermal–sedimentary settings, and impact analogues for volcanic …

  2. Were Meteorites the Origin of Life on Earth?

    Part of the scientific mystery of how life emerged is the origin of chemical building blocks: Were they created by chemical reactions on Earth or did they, perhaps, hitch rides on...

  3. The Extreme Biology of Meteorites: Their Role in Understanding …

    Here, we aim to describe the current state of knowledge and methodology to explore the origin, role, fate, and biological colonization of meteorites on Earth, how this can …

  4. Meteorite and meteoroid: New comprehensive definitions

    The existence of these objects, combined with other probable meteorites from the Moon and Mars that have not yet been formally named (as well as other conceivable examples), has led …

  5. Panspermia

    Panspermia (from Ancient Greek πᾶν (pan) 'all' and σπέρμα (sperma) 'seed') is the hypothesis that life exists throughout the Universe, distributed by space dust, [1] meteoroids, [2] asteroids, …

  6. Chapter 12 Biology Flashcards

    Study with Quizlet and memorize flashcards containing terms like Name the two organic molecule hypotheses, Miller- Urey experiment, Meteorite hypothesis and more.

  7. Life

    A hypothesis in prebiotic chemistry argues that organics were delivered to the early Earth in abundance by meteoritic sources. This study tests that hypothesis by measuring how the transfer of organic matter to the …