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Heaven and Hell

1980 Science

Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury monks in 1178. It moves to a description of the environment of Venus, from the previous fantastic theories of people such as Immanuel Velikovsky to the information gained by the Venera landers an ...d its implications for Earth's greenhouse effect. The Cosmos Update highlights the connection to global warming. Show More

Series: Cosmos

Venus and Mercury

2010 Science

It is the ultimate in adventure travel, but it is not for the faint of heart. But the sights — from Jupiter’s churning red eye to Saturn’s glittering rings — are out of this world. The series takes viewers on a breath-taking journey through the planets in our Solar System. See stunning images of each planet including highly detailed images ca ...ptured by today’s ultra high-tech telescopes. Advanced animation takes you up close and personal with these distant worlds, as we plunge through space to get a better look at the neighbours. Show More

Series: A Traveler Guide to the Planets

The State of Astronomy

2020 Science

The Sky at Night looks back at the last ten years of astronomy and ponders the most significant milestones and revelations. With the help of six distinguished astronomers, Chris and Maggie consider the state of astronomy in 2020 and wonder what new, exciting discoveries await us across the rest of the decade, as a host of new ground and space ... telescopes come online. Astronomer Royal Lord Martin Rees is among the guests to walk along the Astronomical Wall of Discovery in this one-hour special. Show More

Series: The Sky at Night

Astrobiology

2008 Science

Does life exist on other planets? Astrobiology is a visionary new science that searches for life in space by combining the disciplines of astronomy, biology and geology. How did life evolve on Earth? What will life look like on other planets? These and other pertinent questions will be answered by a diverse group of scientists. Viewers will v ...isit the Pilbara region of West Australia where the oldest evidence of life on Earth has been discovered. Travel to the moons of Jupiter and Saturn to test a theory that life could exist in the clouds of Venus. Finally, watch as experiments are done to see if life exists on exoplanets, earth-like planets beyond our solar system. Show More

Series: The Universe

The Inner Planets: Mecury and Venus

2007 Science

Scorched by their proximity to the sun, Mercury and Venus are hostile worlds; one gouged with craters from cosmic collisions and the other a vortex of sulphur, carbon dioxide and acid rain. Prime examples of planets gone awry, do they serve as a warning for ominous scenarios that might someday threaten Earth?

Series: The Universe

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