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The study of plant response in space environments is another subject of astrobotany research. In space, plants encounter unique environmental stressors not found on Earth including microgravity, ionizing radiation, and oxidative stress. [23] Experiments have shown that these stressors cause genetic alterations in plant metabolism pathways.
Plants can metabolize carbon dioxide in the air to produce valuable oxygen, and can help control cabin humidity. [3] Growing plants in space may provide a psychological benefit to human spaceflight crews. [3] Usually the plants were part of studies or technical development to further develop space gardens or conduct science experiments. [1]
Earth's energy budget (NASA) Earth’s energy budget reveals the pathways of solar energy to earth, its cycling in earth systems and atmosphere, and release back into space. There is an average of 340.4 watts/m 2 of incoming energy. To maintain a stable climate the same amount of energy must return to space.
Earth's energy budget (or Earth's energy balance) is the balance between the energy that Earth receives from the Sun and the energy the Earth loses back into outer space. Smaller energy sources, such as Earth's internal heat, are taken into consideration, but make a tiny contribution compared to solar energy.
In 1989, it was suggested that power could also be usefully beamed by laser from Earth to space. In 1991, the SELENE project (SpacE Laser ENErgy) had begun, which included the study of laser power beaming for supplying power to a lunar base. The SELENE program was a two-year research effort, but the cost of taking the concept to operational ...
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Over time, the snowpack on the ground goes through a cycle of mild melting during the day and refreezing over night, causing the snowflakes to lose their shape and the space between their arms.
An early light frost can wipe out your garden harvest for the season. When a light frost is expected, water your garden to wet the plants. So, a light water layer on your plants will help protect ...