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The environment of space is lethal without appropriate protection: the greatest threat in the vacuum of space derives from the lack of oxygen and pressure, although temperature and radiation also pose risks. The effects of space exposure can result in ebullism, hypoxia, hypocapnia, and decompression sickness.
Criticism of space exploration encompasses various arguments against investing in space programs and missions. Opponents point to the substantial financial costs, suggesting that funds allocated for space exploration could be better spent addressing urgent issues on Earth, such as poverty, healthcare, education, and environmental degradation.
Space exploration also gives scientists the ability to perform experiments in other settings and expand humanity's knowledge. [67] Another claim is that space exploration is a necessity to humankind and that staying on Earth will eventually lead to extinction. Some of the reasons are lack of natural resources, comets, nuclear war, and worldwide ...
The risk will only grow as space debris remains in orbit, the study authors warned. Trackable objects in orbit have doubled in the last decade. The number of daily flights has also nearly doubled ...
(Reuters) -The U.S. Federal Communications Commission (FCC) voted 4-0 Thursday on to adopt new rules to address growing risks of orbital debris to space exploration by shrinking the time to remove ...
Committee on the Evaluation of Radiation Shielding for Space Exploration, Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, National Research Council of the National Academies (2008). Managing space radiation risk in the new era of space exploration. Washington, D.C.: National Academies Press.
Psychological and sociological effects of space flight are important to understanding how to successfully achieve the goals of long-duration expeditionary missions. Although robotic spacecraft have landed on Mars , plans have also been discussed for a human expedition , perhaps in the 2030s, [ 1 ] for a return mission.
Phil Torres argues that space colonization poses significant "suffering risks", where expansion into space will lead to the creation of diverse species and civilizations with conflicting interests. These differences, combined with advanced weaponry and the vast distances between civilizations, would result in catastrophic and unresolvable ...