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  2. Effect of spaceflight on the human body - Wikipedia

    en.wikipedia.org/wiki/Effect_of_spaceflight_on...

    The sum of human experience has resulted in the accumulation of 58 solar years in space and a much better understanding of how the human body adapts. In the future, industrialisation of space and exploration of inner and outer planets will require humans to endure longer and longer periods in space.

  3. Since the early 1990s, research began on the salutogenic (or growth-enhancing) aspects of space travel. One study analyzed the published memoirs of 125 space travelers. [29] After returning from space, the subjects reported higher levels on categories of Universalism (i.e., greater appreciation for other people and nature), Spirituality, and Power.

  4. Criticism of space exploration - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_space_exploration

    Some studies suggest that the projected increase in space travel will damage the ozone layer. [6] [7] A single rocket launch produces 300 tonnes of carbon dioxide, staying longer in the upper atmosphere than emissions caused by airplanes or jets. [8] Thomas Fink, however, argues the long-term benefits of space science offset the ecological ...

  5. Effects of ionizing radiation in spaceflight - Wikipedia

    en.wikipedia.org/wiki/Effects_of_ionizing...

    dependence of risk on dose-rates in space related to the biology of DNA repair, cell regulation and tissue responses; predicting solar particle events (SPEs) extrapolation from experimental data to humans and between human populations; individual radiation sensitivity factors (genetic, epigenetic, dietary or "healthy worker" effects)

  6. Stephen Hawking: 'Human race has no future' without space travel

    www.aol.com/news/2016-09-27-stephen-hawking...

    Stephen Hawking is a supporter of space travel, in part, because he thinks the survival of humanity depends on it. Hawking shared these thoughts in an afterword for Julian Guthrie's book "How to ...

  7. Space travel under constant acceleration - Wikipedia

    en.wikipedia.org/wiki/Space_travel_under...

    The effects of relativistic travel are an important plot point in several stories, informing the psychologies and politics of the lighthuggers' "ultranaut" crews for example. In the novel 2061: Odyssey Three by Arthur C. Clarke , the spaceship Universe , using a muon-catalyzed fusion rocket , is capable of constant acceleration at 0.2 g under ...

  8. Locomotion in space - Wikipedia

    en.wikipedia.org/wiki/Locomotion_in_space

    The environmental conditions in space are harsh and require extensive equipment for survival and completion of daily activities. [2] There are many environmental factors to consider both inside and outside of a spacecraft that astronauts work in. [2] These factors include but are not limited to movement during weightlessness, general equipment necessary to travel to the desired destination in ...

  9. Controversial proposal could move some Air National Guard ...

    www.aol.com/news/controversial-proposal-could...

    In a statement, a spokesperson for the Secretary of the Air Force tells Scripps News that the potential move of the Air National Guard units into the U.S. Space Force is "to ensure the mission ...