Patrick Moore and Dr Peter Cattermole describe how radar-carrying spacecraft Magellan will map Venus, a planet Earth's size with a hot surface, choking atmosphere and acid clouds.
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Patrick Moore and Dr Peter Cattermole describe how radar-carrying spacecraft Magellan will map Venus, a planet Earth's size with a hot surface, choking atmosphere and acid clouds.
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
