The Microwave Subnode is a subsidiary of the Geosciences Node of NASA's Planetary Data System. The Subnode archives and distributes digital data related to the study of the surfaces and interiors of planetary bodies using active and passive microwave sensing techniques. This page has pointers to a variety of other NASA sites, each of which contains related information. On this server, the user can find data sets and images from spaceborne measurements of the planet Venus. Preprints about Venus are also available here.