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Showing 1–5 of 5 results
Advanced filters: Author: Shawn Domagal-Goldman Clear advanced filters

  • Before the rise of oxygen, the atmosphere of the early Earth may have consisted of an organic haze. Geochemical data and modelling suggest that from 2.65 to 2.5 Gyr ago, several transitions between hazy and haze-free atmospheric conditions occurred, potentially linked to variations in biogenic methane production.

    • Aubrey L. Zerkle
    • Mark W. Claire
    • Simon W. Poulton
    Research
    Nature Geoscience
    Volume: 5, P: 359-363

  • Spectroscopic simulations of exoplanetary atmospheres show that our best chance to detect molecular oxygen lies in the 6.4-μm band of collision-induced absorptions. The first detections could be possible with the James Webb Space Telescope.

    • Thomas J. Fauchez
    • Geronimo L. Villanueva
    • Shawn D. Domagal-Goldman
    Research
    Nature Astronomy
    Volume: 4, P: 372-376

  • The Habitable Exoplanet Observatory (HabEx) is a conceptual space-based 4-m telescope with the means to image and characterize potentially habitable planets orbiting Sun-like stars, and with ultraviolet to near-infrared imaging and spectroscopic capabilities suited to general observatory science.

    • B. Scott Gaudi
    • Sara Seager
    • Margaret Turnbull
    Comments & Opinion
    Nature Astronomy
    Volume: 2, P: 600-604