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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.
Zinnia plant in bloom aboard an Earth orbiting space station. The growth of plants in outer space has elicited much scientific interest. [1] In the late 20th and early 21st century, plants were often taken into space in low Earth orbit to be grown in a weightless but pressurized controlled environment, sometimes called space gardens. [1]
Plants grown inflight experience a microgravity environment, and plants grown on the surface of Mars experience approximately 1/3 the gravity that Earth plants do. However, plants experience normal growth given that directional light is provided. [10] Normal growth is classified as opposite root and shoot growth direction.
The plant Arabidopsis thaliana is used in laboratories as a model organism to understand how genes control the growth and development of plant structures. [25] NASA predicts that space stations or space colonies will one day rely on plants for life support. [26] Scientific advances in genetic engineering led to developments in crops.
A distinction can be made between botanical science in a pure sense, as the study of plants themselves, and botany as applied science, which studies the human use of plants. Early natural history divided pure botany into three main streams morphology-classification, anatomy and physiology – that is, external form, internal structure, and ...
Astrobotany – Sub-discipline of botany that is the study of plants in space environments. Archaeoastronomy – studies ancient or traditional astronomies in their cultural context, utilizing archaeological and anthropological evidence. Space archaeology – the study of human artifacts in outer space
Most of us immediately understand why butter needs to be at room temperature if you intend to cream it with sugar (and remember, you tend to see some iteration of the phrase "beat until fluffy ...
In this phase of the experiment, plants were oriented since they grew in 1-g from an on-board centrifuge. TROPI , or "Analysis of a Novel Sensory Mechanism in Root Phototropism", is an experiment on the International Space Station (ISS) to investigate the growth and development of plant seedlings under various gravity and lighting combinations ...