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Showing 1–4 of 4 results
Advanced filters: Author: Olivier Witasse Clear advanced filters

  • Venus is Earth's near twin in mass and radius, yet its atmosphere, mostly composed of carbon dioxide, has a surface temperature and pressure far higher than those of the Earth. This paper discusses the first year of observations by Venus Express, which bring into focus the evolutionary paths by which the climates of two similar planets diverged from common beginnings to such extremes.

    • Håkan Svedhem
    • Dmitry V. Titov
    • Olivier Witasse
    Reviews
    Nature
    Volume: 450, P: 629-632

  • High-resolution observations of the third largest asteroid, (2) Pallas, from SPHERE unveil a heavily cratered surface, probably due to Pallas’s inclined and eccentric orbit, a density almost equal to carbonaceous chondrites and hint at surficial salt-enriched spots.

    • Michaël Marsset
    • Miroslav Brož
    • Bin Yang
    Research
    Nature Astronomy
    Volume: 4, P: 569-576