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Astronaut Edward M. (Mike) Fincke, Expedition 9 NASA science officer and flight engineer aboard the International Space Station, juggles fresh fruit in microgravity.
Courtesy of NASA.

What is microgravity? How is it created? And how does it impact astronauts during spaceflight? Gregory Vogt, EdD, provides answers to these and other questions about the near weightless conditions in space.

Author(s): Ann R. Kennedy, PhD
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Showing Results for: ionizing radiation Return to Presentation

Ionizing Radiation I

Ionizing Radiation II

NASA Space Radiation Laboratory

Pertinent Radiation Terminology I

Doses of Radiation Received During a Solar Particle Event Can Cause Dramatic Decreases in Blood Cell Numbers