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Human Spaceflight

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Human spaceflight is the field of study and practice involving the transportation of humans beyond Earth's atmosphere, encompassing the design, development, and operation of spacecraft and missions that enable human exploration and presence in outer space.
lightbulbAbout this topic
Human spaceflight is the field of study and practice involving the transportation of humans beyond Earth's atmosphere, encompassing the design, development, and operation of spacecraft and missions that enable human exploration and presence in outer space.

Key research themes

1. What are the physiological and psychological health risks and countermeasures for astronauts in long-duration human spaceflight?

This theme focuses on the medical, physiological, and psychological challenges astronauts encounter during extended space missions, particularly outside Low Earth Orbit (LEO). Understanding these risks is essential to develop effective countermeasures to ensure astronaut safety, mission success, and long-term health preservation as human spaceflight extends to destinations like Mars. This area integrates research on space radiation effects, microgravity impacts on organ systems, immune alterations, mental health challenges due to isolation and confinement, and the medical screening and support frameworks necessary for preflight, inflight, and postflight phases.

Key finding: This paper provides a comprehensive synthesis of endogenous and exogenous factors affecting astronaut health during spaceflight, including space radiation causing gut microbiome alteration and accelerated atherosclerosis, and... Read more
Key finding: This work identifies specific CNS and psychological alterations linked to space stressors such as microgravity and cosmic radiation, including sleep-wake cycle disturbances, depression, anxiety, cognitive impairment, and... Read more
Key finding: Utilizing NASA’s Integrated Medical Model (IMM), this paper quantifies how medical risk escalates with mission duration and distance from Earth, signaling the shift from launch/landing risks to inflight medical events as... Read more
Key finding: Explores cellular and tissue-level biological alterations caused by microgravity, especially during early human embryogenesis and organogenesis. It elucidates how vestibular system development and proprioception are impacted... Read more
Key finding: This review identifies significant knowledge gaps concerning reproductive health under spaceflight conditions, including impacts of microgravity, radiation, and stress on the hypothalamic-pituitary-gonadal axis, fertility,... Read more

2. How has the historical evolution and scheduling of human spaceflight missions influenced current plans for deep-space exploration?

Research theme examining the development and scheduling history of human spaceflight programs through novel time map methodologies. This area investigates how past programmatic decisions, political forces, and management forecasting shaped mission timelines, risk tolerances, and technical readiness, and how these experiences inform current strategic planning for complex, long-duration missions including lunar and Martian exploration. The distinct integration of historical temporal data aids in managing uncertainty and scheduling credibility in future mission architectures.

Key finding: Introduces a two-dimensional time mapping methodology capturing historical and projected scheduling data of human space missions, revealing that schedules often forecast missions many years ahead, such as persistent Mars... Read more
Key finding: Extends time map methodology earlier applied to 1956-1961 missions, incorporating Wernher von Braun's Mars expedition proposals. This analysis underscores historical patterns of optimistic long-range planning for human... Read more
Key finding: Develops a framework analyzing international partnerships in human space exploration considering mission architecture, required technologies, participant actors, and their rationales. It reveals that sustainable missions... Read more

3. What are the ethical, bioethical, and sociopolitical considerations unique to human space exploration and colonization?

This theme investigates the emerging and complex ethical questions that arise from long-duration human space missions and potential colonization efforts. Central issues include the justification for high-risk human missions in light of Earthly challenges, the need for human enhancement technologies for survival in space, the moral status of reproduction beyond Earth, and the implications of biopolitical control exerted by states over astronauts’ bodies. Research in this domain integrates philosophy, ethics, and history with considerations of future human identity and rights in extraterrestrial settings.

Key finding: This paper argues that the ethics of human space missions entail weighing cost/risk-benefit analyses against potential benefits such as space refuge and scientific exploration. It posits that human enhancement—including gene... Read more
Key finding: The study concludes space bioethics is not categorically distinct from terrestrial bioethics but represents extreme versions of existing issues such as autonomy restriction and survival in hazardous environments akin to... Read more
Key finding: This historical analysis reveals how the Soviet state utilized medical science as a biopolitical instrument to control, select, and discipline cosmonaut bodies, entwining medical authority with ideological goals. It exposes... Read more
Key finding: The paper explores psychological hazards inherent in prolonged Mars missions, such as depression, interpersonal conflict, and mental illness. It highlights the critical role of environmental and social countermeasures in... Read more
Key finding: Reviews the technological and physiological challenges of prolonged space missions beyond Earth orbit, advocating for revolutionary biomedical and engineering solutions including induced hypometabolic states, brain-machine... Read more

All papers in Human Spaceflight

Beginning in 1947, with the first waves of UFO sightings, and continuing in the subsequent decades, debates on the existence and gestalt of extraterrestrial life gained unprecedented prominence. Initially an American phenomenon, flying... more
With 50 million kilometers and a 20-minute communication delay separating Mars explorers from Earth’s resources and support, human missions to the red planet will be characterized by an unprecedented amount of autonomy and independence.... more
Human spaceflight presents new challenges for traditional approaches to risk assessment. From the onset human, spaceflight has been recognized as an inherently dangerous activity. Consequently, U.S. laws and regulations have grown in... more
Ubiquitous, limitless and ever-expanding as it may be, outer space has a history too. Although it is virtually impossible to experience outer space in a direct, unmediated manner, historians can study how it was represented, communicated... more
Winner of the 2017 Sacknoff Prize for Space History from the Society for the History of Technology (SHOT) Aerospace Special Interest Group (Albatross) and Quest: The History of Spaceflight:... more
After the Apollo moon landings, disillusionment set in. With the return of the last astronaut in 1972, the skies – rather than the distant stars – once again became the limit. No longer considered the inevitable destination of infinite... more
How has European astrofuturism developed into a central element of Western modernity? Focusing on the activities of the early spaceflight movement, in particular key protagonists Willy Ley (1906-1969) and Arthur C. Clarke (1917-2008),... more
This paper discusses the "myth" that we have an innate drive to explore or to migrate into space. Three interpretations of the claim are considered. According to the "mystical interpretation," it is part of our "destiny" as humans to... more
What if Wernher von Braun’s “Baby Space Station,” proposed in the pages of Collier’s magazine on 27 June 1953, had actually flown? Bimm, the winner of the 2013 Sacknoff Prize for Space History considers a simian “what if?”
Human factors research is a critical element of space exploration as it provides insight into a crew's 19 performance, psychology and interpersonal relationships. Understanding the way humans work in space-20 exploration analogue... more
It must be emphasized that this exercise is NOT intended to select "THE Drill" to be developed for a crewed Mars surface mission. The intent is simply to identify a representative drilling technology and concept of operation that is... more
Freie Universität Berlin, 18–19 March 2016 Over the course of the twentieth century, outer space has developed into a predominant site of utopian thought and futuristic expansion scenarios. Arguing that space transformed into a place... more
launch, would be used to launch the rocket. Air launching simplifies operations as compared to ground launch from a fixed range in several ways and it also greatly improves the simplicity, safety, cost, and reliability of the booster.
This paper describes low-latency teleoperations (LLT) analyses performed by the NASA Human Spaceflight Architecture Team (HAT), as part of the Evolvable Mars Campaign (EMC). We will cover a variety of mission operations concepts and... more
Space enthusiasts commonly advocate for increased space funding because of spaceflight's alleged impact on STEM education and scientific literacy. However, there is little more than anecdotal evidence for such claims. Until such time as... more
The first European space simulation habitat, the Self-Deployable Habitat for Extreme Environments (SHEE) was built by a European consortium within three years (2013 – 2015) under an EU framework 7 contract. Coordinated by the... more
As commercial aerospace companies advance toward manned spaceflight, they must overcome many hurdles – not only technical, but also human. One of the greatest human challenges they face is food. Throughout the history of human... more
The concept of awe is often twinned with that of wonder, evident not least in the experience of spaceflight (Gallagher, Janz, Trempler, Bockelman, Reinerman-Jones 2015). But can the experience of awe be located in less wondrous... more
Co-authors Sandra Häuplik-Meusburger (architect and habitability researcher Vienna), Carrie Paterson (artist-researcher, Los Angeles), and Daniel Schubert (DLR-German Space Agency) consider the role of plants in long-term space missions... more
Kobrick, Ryan Lauren (Ph.D., Aerospace Engineering Sciences) Characterization and Measurement Standardization of Lunar Dust Abrasion for Spacecraft Design and Operations Thesis directed by Associate Professor David M. Klaus
How has European astrofuturism developed into a central element of Western modernity? Focusing on the activities of the early spaceflight movement, in particular key protagonists Willy Ley (1906–1969) and Arthur C. Clarke (1917–2008),... more
An abbreviated account of Ferenc Pavlics' recollections of the development of the Apollo Lunar Rover, with discussion of the impact it had on the range and quality of lunar field exploration
Carbon nanotubes have been famous since their discovery twenty years ago for their remarkable physical properties, from strength a hundred times higher than steel, to electrical current capacity a 1,000 times higher than copper. But so... more
Humanity should not attempt to establish space societies that would not be open to ``baseline'' humans (e.g., those with species-typical oxygen or radiation protection needs). Two arguments are provided for this conclusion: The first... more
This paper was written during the Master of Space Studies in the context of, the introductory course, Exact Science and Technology, and of Life Sciences in Space. The author describes the effects of microgravity on human ageing, as well... more
Medium-range (here defined as under 100 km from a given habitat) extra-vehicular activity (EVA) on Mars will undoubtedly use some variety of mechanized all-terrain vehicles (ATV’s), but there will be times when it is desirable to... more
This paper defends, and emphasizes the importance of, spaceflight, broadly construed to include human and unmanned spaceflight, space science, exploration and development. Within this discourse, I provide counter-replies to remarks by... more
Humans are the most adaptable species on this planet, able to live in vastly different environments on Earth. Space represents the ultimate frontier and a true challenge to human adaptive capabilities. As a group, astronauts and... more
For a return to the moon or voyage to Mars the extravehicular space suit will take on an importance that it has never had before in piloted space flight. While EVA space suits were looked upon in the past as only ancillary hardware, they... more
This paper discusses a conceptual design of a new countermeasure device named Virtual Gravity Artificial Reality (ViGAR). The device was part of a complete concept called The Human Spaceflight Training Recommendations Against... more
This paper revisits the Space Guard concept, summarizing some existing ideas, and developing the Coast Guard model. I describe the missions of the USCG, exploring the analogy for a Space Guard. The concept is also generalized by focusing... more
Through the twentieth century, the continual exploration of outer space and its imaginary colonization in science and fiction has led to a new understanding of the space-time continuum. While the physical space surrounding planet Earth... more
In the summer of 2007, the Mars Society conducted a four-month simulated Mars exploration mission at the Flashline Mars Arctic Research Station (FMARS), in the Canadian High Arctic on Devon Island, Nunavut. In addition to an intense... more
The interest in Moon exploration has substantially grown in the latest years, positioning the Moon as an attractive testbed to develop the required technologies and capabilities for human Deep Space exploration. In past decades, lunar... more
While stress is a widely utilized concept, no direct methods facilitating its measurement are currently available. In our previous work we proposed stress entropic load (SEL) as a potential new marker of stress response in the human body.... more
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