TV SERIES
Exploring Venus
Documentary
The second planet from the sun, Venus, with its toxic overheated surface, has long been neglected by planetary mission planners. Lately, Earth's sister planet has taken center stage in one of the greatest quests in science today: the search for life-bearing exo-planets across the Milky Way galaxy. This quest hinges on several essential questions: Why did planet Earth live, and why did Venus die?
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Episodes
5 Episodes
011. Venus: Death of a Planet
Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked upside down and turned inside out. Its burned-out surface is a global fossil of volcanic destruction, shrouded in a dense, toxic atmosphere. Scientists are now unveiling daring new strategies to search for clues from a time when the planet was alive.
022. Cloud Cities of Venus
Four billion years ago, Venus held the promise of supporting life. Then it entered a death-spiral of ever-increasing heat. But, 50 km above its desolate surface, the cool cloud tops of Venus offer a potential refuge. Solar-powered ships and habitats could effortlessly float there, sailing the winds that circle the globe. That has inspired scientists to take the first steps toward settling Venus.
033. Is There Life in the Clouds of Venus?
For more than 100 years astronomers have seen dark patches swirling in the clouds of Venus, visible only in ultraviolet light. Could there be life-forms thriving in the balmy zone 50km above the hellish surface? On Earth, researchers find life everywhere they look, including acid-loving bacteria that could easily live in Venus' air. How will the experts investigate this fascinating possibility?
044. Doing Science in Hell
At Venus' surface, the temperature is twice as high as in a pizza oven. The atmospheric pressure would make you feel like being 1 kilometer deep in Earth's oceans. Yet visionary engineers are pushing the boundaries of materials science to build probes that can deliver data from the depths of this crushing inferno. Experts describe their battle strategies and technologies.
055. Warnings of a Doomed Planet
Venus is virtually a twin of Earth in size, mass and composition; much more like our planet than is Mars. Yet it has gone down a completely different - and deadly - evolutionary path. Experts share valuable lessons from Venus on the origins of life, acid rain, ozone loss, global warming and other questions. They make the passionate case for further exploring Earth's "evil twin sister."