Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report

The Detectability of CH4/CO2/CO and N2O Biosignatures through Reflection Spectroscopy of Terrestrial Exoplanets

The chemical makeup of Earth’s atmosphere during the Archean (4 Ga-2.5 Ga) and Proterozoic eon (2.5 Ga-0.5 Ga) contrast considerably with the present-day: the Archean was rich in carbon dioxide […]

Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report, Stellar Cartography, Water/Hycean Worlds & Oceanography

Habitable Worlds Observatory System Technology Demonstrations And Mission Architecture Studies DRAFT Text Released For Community Comment

When it is solicited, D.19 Habitable Worlds Observatory System Technology Demonstrations and Mission Architecture Studies (HWOTAS) will seek industry-led proposals to carry out (1) system-level critical technology demonstrations for ultra-stable […]

Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Status Report, Water/Hycean Worlds & Oceanography

Polarized Signatures Of The Earth Through Time: An Outlook For The Habitable Worlds Observatory

The search for life beyond the Solar System remains a primary goal of current and near-future missions, including NASA’s upcoming Habitable Worlds Observatory (HWO).

Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report

The Pale Blue Dot: Using the Planetary Spectrum Generator to Simulate Signals from Hyperrealistic Exo-Earths

Simulating realistic observations of exoplanet atmospheres requires consideration of several physical, astronomical, and technological aspects. The composition and physical structure of an atmosphere has to be modeled using three dimensional […]

Posted inAnalog Studies, Astrochemistry, Astrogeology, Astronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Proxima Centauri, Status Report

Detectability Simulations of a NIR Surface Biosignature on Proxima Centauri b with Future Space Observatories

Telescope missions are currently being designed which will make direct imaging of habitable exoplanets possible in the near future, and studies are needed to quantify the detectability of biosignature features […]

Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report

Simulated Performance of Energy-resolving Detectors Towards Exoplanet Imaging with the Habitable Worlds Observatory

One of the primary science goals of the Habitable Worlds Observatory (HWO) as defined by the Astro2020 decadal survey is the imaging of the first Earth-like planet around a Sun-like […]

Posted inAI - Data - Apps - Cybernetics, Astronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report

ESCAPE Project: Investigating Active Observing Strategies and Post-processing Methods for Exoplanet High-contrast Imaging with Future Space Missions

The search for biosignatures in potentially habitable exoplanets is one of the major astrophysics’ drivers for the coming decades, and the prime science goal of the HWO NASA mission, a […]

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