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Magellan

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description Magellan Overview

The Magellan mission utilized radar technology to study Venus. Launched by NASA in 1989, it provided the first comprehensive, nearly global radar image of the planet’s surface. This data revealed extensive volcanic features and tectonic activity, significantly advancing our understanding of Venus's geology. The information is valuable for planetary scientists and researchers investigating the formation and evolution of terrestrial planets.

help Magellan FAQ

How did Magellan map Venus through its clouds?

Magellan used synthetic-aperture radar because Venus's thick clouds block ordinary visible-light imaging of the surface. The spacecraft mapped about 98 percent of the planet during its mission.

When did the Magellan spacecraft reach Venus?

NASA launched Magellan aboard Space Shuttle Atlantis in May 1989. It entered orbit around Venus in August 1990 and began systematic radar mapping soon afterward.

What did Magellan discover about volcanoes on Venus?

Its images revealed vast lava plains, shield volcanoes, and circular structures called coronae. These observations showed that volcanism played a major role in shaping Venus, although Magellan was not designed to watch eruptions directly.

What happened to Magellan at the end of its mission?

NASA deliberately lowered the spacecraft into Venus's atmosphere in October 1994. The final maneuver let scientists study atmospheric drag before contact was lost.

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