Tectonics

submitted by: scivee-team

A documentary on tectonics, continental drift, and ocean floor exploration.

Landing on Mars

submitted by: scivee-team

Gerry Soffen, a Viking Mission Scientist, talks about his memories from the first successful landing on Mars and what it revealed about the planet's surface.Looking back at the dramatic first landing on Mars.

Magellan's Venus

submitted by: scivee-team

Images from NASA spacecraft, Magellan, reveal Venus' topography and geological features.Astronomers remember Magellan's astounding photos of Venus.