Astrobiology: Life in the Universe

NASA Astrobiology Institute (NAI)


  1. Now showing: Year 2003 projects that addressed Astrobiology Roadmap Objective 7.2

  2. Roadmap Goal 7: Determine how to recognize signatures of life on other worlds and on early Earth

    Objective 7.2: Biosignatures to be sought in nearby planetary systems

    A Study of Marine and Terrestrial Stable Isotopic Geochemistry During the End-Permian and End-Triassic Mass Extinction Events

    TEAM: UW / ROADMAP OBJECTIVES: 1.1, 4.3, 6.1, 7.2

    A timescale for the evolution of life on Earth - Hedges

    TEAM: PSU / ROADMAP OBJECTIVES: 1.2, 2.1, 3.4, 4.1, 4.2, 4.3, 5.2, 5.3, 7.1, 7.2

    A timescale for the evolution of life on Earth - Nei

    TEAM: PSU / ROADMAP OBJECTIVES: 1.2, 2.1, 3.4, 4.1, 4.2, 4.3, 5.2, 5.3, 7.1, 7.2

    Benner - Self-Reproducing Molecular Systems and Darwinian Chemistry

    TEAM: SRI / ROADMAP OBJECTIVES: 1.1, 2.1, 2.2, 3.1, 3.2, 4.1, 4.2, 4.3, 5.1, 5.2, 5.3, 6.2, 7.1, 7.2

    Biogeochemistry of Earth's Greenhouse Leading to the Rise of Oxygen

    TEAM: ARC / ROADMAP OBJECTIVES: 1.1, 1.2, 3.1, 4.1, 6.1, 7.1, 7.2

    Biogeochemistry of the Early Earth

    TEAM: CUB / ROADMAP OBJECTIVES: 1.1, 3.1, 4.1, 4.3, 5.2, 5.3, 6.2, 7.1, 7.2

    Characterization of Terrestrial Planets From Disk-Averaged Spectra: Spatially and Spectrally Resolved Planetary Models

    TEAM: VPL / ROADMAP OBJECTIVES: 1.2, 7.2

    Characterization of Terrestrial Planets From Disk-Averaged Spectra: Spectroscopic Studies to Understand Detectability and Habitability.

    TEAM: VPL / ROADMAP OBJECTIVES: 1.2, 4.1, 7.2

    Chemical Building Blocks

    TEAM: ARC / ROADMAP OBJECTIVES: 1.1, 3.1, 3.4, 4.3, 7.1, 7.2

    Chemistry Models for Extrasolar Planets

    TEAM: VPL / ROADMAP OBJECTIVES: 1.1, 1.2, 7.2

    Delivery of organic materials to planets

    TEAM: UW / ROADMAP OBJECTIVES: 1.1, 1.2, 3.1, 7.2

    Early Microbial Ecosystems

    TEAM: ARC / ROADMAP OBJECTIVES: 4.1, 5.2, 5.3, 6.1, 7.1, 7.2

    Ecosystem to Biosphere Modeling

    TEAM: ARC / ROADMAP OBJECTIVES: 4.1, 5.3, 6.1, 7.2

    Evolution of atmospheric O2, climate, and biosphere - Ohmoto

    TEAM: PSU / ROADMAP OBJECTIVES: 1.1, 2.1, 4.1, 4.3, 5.2, 5.3, 6.1, 7.1, 7.2

    Extra Solar Planetary Systems

    TEAM: UCLA / ROADMAP OBJECTIVES: 1.1, 1.2, 7.1, 7.2

    Fe Isotope Biosignatures

    TEAM: JPL / ROADMAP OBJECTIVES: 2.1, 4.1, 6.1, 7.1, 7.2

    First-Stage Biofilm Formation Under Extreme Conditions in Ice

    TEAM: UW / ROADMAP OBJECTIVES: 5.1, 5.3, 6.1, 6.2, 7.2

    GEOPULSE

    TEAM: PSU / ROADMAP OBJECTIVES: 4.1, 5.2, 5.3, 6.1, 7.2

    Isotopic and molecular approaches to microbial ecology and biogeochemistry (The evolution of organic matter) <BR>

    TEAM: HAR / ROADMAP OBJECTIVES: 3.2, 4.1, 4.2, 5.1, 5.2, 5.3, 6.1, 7.1, 7.2

    Isotopic and Molecular Tracers of Life

    TEAM: CIW / ROADMAP OBJECTIVES: 3.2, 4.1, 6.1, 7.1, 7.2

    Laboratory/Observational Studies of Biogenic Greenhouse Gases on the Early Earth

    TEAM: JPL / ROADMAP OBJECTIVES: 1.2, 2.1, 4.1, 7.2

    Molecular Survey of Microbial Diversity in Hypersaline Ecosystems, Ecogenomics

    TEAM: CUB / ROADMAP OBJECTIVES: 3.2, 3.4, 4.1, 4.2, 5.1, 5.2, 5.3, 6.1, 7.1, 7.2

    Organic and sulfur hazes in the Archean atmosphere: Climatic and photochemical consequences.

    TEAM: CUB / ROADMAP OBJECTIVES: 3.1, 4.1, 7.2

    Spectroscopic Databases to Support Extrasolar Planet Modeling

    TEAM: VPL / ROADMAP OBJECTIVES: 1.1, 1.2, 4.1, 7.2

    Stable Isotope Biogeochemistry

    TEAM: JPL / ROADMAP OBJECTIVES: 4.1, 6.1, 7.1, 7.2

    Studies in Planetary Formation and Evolution

    TEAM: CIW / ROADMAP OBJECTIVES: 1.1, 1.2, 2.1, 7.2

    The Abiotic Planetary Model: The Upper and Lower Boundary Condition on the Atmosphere

    TEAM: VPL / ROADMAP OBJECTIVES: 1.1, 4.1, 7.2

    The Planetary Context of Biological Evolution Sub project: Geobiology of Neogene hematitic sedimentary rocks<BR>

    TEAM: HAR / ROADMAP OBJECTIVES: 2.1, 7.2

    The Virtual Planetary Laboratory - Synthesis and Architecture

    TEAM: VPL / ROADMAP OBJECTIVES: 1.1, 1.2, 7.2

    The Virtual Planetary Laboratory - The Life Modules

    TEAM: VPL / ROADMAP OBJECTIVES: 1.1, 4.1, 5.3, 6.1, 7.2