Little was known about the impact of spaceflight on living creatures at the time of Laika's mission, and the technology to de-orbit had not yet been developed, therefore Laika's survival was not expected.
The observation that only 480 genes were affected is remarkable, given that spaceflight plants and ground controls were operationally separated by 230 miles of altitude, 17,000 mph of velocity, and the other attendant potential impacts of orbital spaceflight, indicating that spaceflight environments have become extremely well controlled.
Kelly was at the ISS as a part of a joint U.S.-Russian collaborative biomedical experiment on the impacts of prolonged spaceflight on the human body.
These multicellular animals share many genes with humans, and can therefore help scientists gauge the long-term impacts of deep spaceflight on human life.
A post shared by Scott Kelly (@stationcdrkelly) on Feb 25 , 2016at 4 32pm PST. Kelly was at the ISS as a part of a joint U.S.-Russian collaborative biomedical experiment on the impacts of prolonged spaceflight on the human body.
More research is needed to understand the impact of long spaceflight missions on the human body, where there is more exposure to radiation, restricted diet, less exercise, lower gravity, and disrupted sleep cycles.
More research is needed to understand the impact of long spaceflight missions on the human body, where there is more exposure to radiation, restricted diet, less exercise, lower gravity and disrupted sleep cycles.
We tested the hypothesis that head-down bed rest (HDBR), a ground-based analog of spaceflight, mimics the impact of microgravity on human immunity.
For example, the management of root-zone water and aeration is affected by the lack of convection and related boundary layer issues, along with the unique behavior of water and capillary action in microgravity, and the attendant engineering designed to ameliorate the impact of these issues is an important feature of spaceflight experiments [ 10, 12].
