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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.
In recent years, there has been an increase in research on the issue of how humans can survive and work in space for extended and possibly indefinite periods of time. This question requires input from the physical and biological sciences and has now become the greatest challenge (other than funding) facing human space exploration. A fundamental ...
The space field should be used peacefully, jointly protect the space field from harm, and maximize space utilization through environmental, economic, and security exploration of space. [16] These consensuses also clarify the relationship between space sustainability and international security, that states and individuals explore space for ...
A record stay in earth’s orbit and a fine to Dish Network might have space debris in common. Space junk is causing problems — and experts think it’s just the start. Why it matters
Research to date into human psychological and sociological effects based on on-orbit near-Earth experiences may have limited generalizability to a long-distance, multi-year space expedition, such as a mission to a near-Earth asteroid (which currently is being considered by NASA) or to Mars. In the case of Mars, new stressors will be introduced ...
Adequate energy (caloric) intake is a necessary requirement for humans living and working in space, and much attention has been focused on this requirement. Less effort has been spent on understanding how the caloric heat generated by energy expenditure is handled by humans whose physiologic responses to heat may be altered in the unique ...
This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.
The specific problem is: This article reads as if it is a research paper and not an encyclopedia article (in part because it is mostly cut and paste from the public domain study by NASA). It needs to be moved to a more encyclopedic topic heading, perhaps something like Cancer and spaceflight , and re-written in an encyclopedia article style.