This chapter examines the outer space environment and specifically the dangers of long term flight, both unmanned and particularly manned missions. Threats due to space debris and the long term effects of different types of radiation are examined. The effects of microgravity on human physiology are discussed in terms of what space travel has taught us about bone loss, muscle atrophy, and other issues. The effects of isolation and microgravity on the brain and the psychology of the mind are summarized.
Alzheimer’s disease Cardiovascular effects Charles Bolden G forces Yuri Gagarin Geosynchronous GravityInternational Geophysical Year Ionizing effects ISS James Van Allen Japan’s Aerospace Agency (JAXA) Joint Space Operations Center (JspOC) Kessler syndrome Lockheed Martin Dr. Jeffrey Lotz Magnetic net—for space debris Mazlan Othman Meteor bumper Microgravity Muscle Atrophy National Research Council (NRC) Radiation Shielding Space Debris Space Fence Space Treaty of 1967 Van Allen Belts Werner Von Braun Whipple shields Dana Whalley Fred Whipple
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