The biological toll of a year in weightlessness is being mapped.
In short: To reach Mars, we first have to understand how the human body unravels in deep space. NASA is currently using a high-stakes, year-long orbital laboratory to gather the biomedical data necessary to protect future explorers from the physical consequences of long-duration weightlessness.
NASA and the Russian Federal Space Agency (Roscosmos) are currently conducting a landmark study aboard the International Space Station (ISS). The mission features two primary subjects: NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko. To collect vital medical information regarding how prolonged zero-gravity impacts human physiology, these people will remain in space for a complete twelve-month period. This research is not merely academic; it is a prerequisite for formulating future human missions to Mars. Because the journey to the Red Planet involves extended periods away from Earth's gravity, scientists need to understand the physiological shifts that occur when the body is no longer anchored by weight. The data collected by Kelly and Kornienko during their year-long stay will help engineers and doctors develop countermeasures to keep astronauts healthy during multi-year voyages. Adding a unique layer of scientific rigor to the mission is a first-ever twins study. While Scott Kelly is in space, his brother, fellow astronaut Mark Kelly, remains on Earth. By monitoring the two brothers simultaneously, researchers can compare the health effects of space flight directly against a baseline of living on Earth. This controlled comparison provides a more nuanced view of how space travel specifically alters human biology compared to normal terrestrial aging and lifestyle. The mission highlights the collaborative nature of modern space exploration, involving both American and Russian agencies to provide a comprehensive look at human endurance. As the crew nears the completion of their eighth month, the continuous stream of data provides a real-time window into the limits of human physiology in the cosmos.
thought-experiments reflective 3 space-exploration human-biology nasa
Mikhail Kornienko and Scott Kelly are staying on the ISS for one year to offer insights into how spaceflight affects health. Mark Kelly, the brother of Scott, shall undergo observation on our planet as part of an initial twin-based research project regarding health impacts.", "Kelly and Kornienko discussed their life and research during a pair of in-flight interviews on November 17."]
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Sources
- Summary by Intellect · source: One Year in Space, Many Benefits
- Also: How the Epic One-Year Space Station Mission Works (Infographic)
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