NASA
Speaking in Phases
Hear from deep space. Pupils learn how satellites transfer information back to Earth. They learn about three different ways to modulate radio waves and how a satellite sends information with only 0s and 1s. Using sound, class members...
Society for Science and the Public
Science News for Students: Warm Lava on a Hot Planet
Describes scientific research into volcanic activity on the surface of Venus. Using information transmitted from the orbiting Magellan spacecraft, data is collected. Includes a glossary of vocabulary terms. [ November 8, 2010]