Venus

  • Planetary Primer: Mars and Venus
    The terrestrial neighborhood is rich with both extremes of hot and cold, depending on whether one looks to Venus or Mars. Whether Venus has too much atmosphere or whether Mars has too little determines whether they rank as hospitable or hostile.
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  • Mighty Aphrodite
    Earth's twin, Venus, offers life as we know it few safe places on its faint red-glowing surface, which is hot enough to melt lead. But higher in the clouds, small amounts of water and strange ultraviolet absorbers make for a balmy 107 F abode.
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  • Venusian Cloud Colonies
    Thick Venusian clouds mask a dense greenhouse atmosphere that is inhospitably hot. But 30 miles up from the surface, conditions suggest a more temperate zone. Some scientists wonder what strange equilibrium sustains a reactive gas mixture that shouldn't co-exist there: exotic biology or not?
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