astronauts articles
Why does the sky appear blue during the day on Earth?
What is the primary reason space appears inky black when viewed from orbit?
What process is responsible for bathing the Earth's environment in diffuse blue light?
What concept describes the difficulty cameras have capturing both the bright white of a spacesuit and the faint background stars?
Why do photos taken from the sunlit surface of the Moon show a pitch-black sky?
If you held up a pane of glass in space, what would happen to starlight passing through it?
What is the fundamental reason stars are often invisible during a daytime EVA?
Under what condition can astronauts immediately see stars while performing an EVA near the brightly lit Earth?
How does the blackness of space affect the observed intensity of colors on illuminated objects like Earth?
What causes sunlight to be redirected toward an observer's eye on Earth, but not in space?
What is the primary mechanism causing astronauts to temporarily increase in height?
Approximately how much can an astronaut's height increase while aboard the ISS?
How is the temporary height gain in space different from developmental growth?
What physiological adjustment is closely related to the change in astronaut height?
What discomfort can sometimes result from the upward shift of body fluids in space?
How quickly does an astronaut's height typically return to normal after landing on Earth?
What is a practical implication of increased height on the ISS regarding clothing and equipment?
To what specific state is an astronaut's continuous height in space analogous, relative to Earth measurements?
What serious, long-term musculoskeletal challenge is the trade-off for temporary spinal elongation?
What is mandated by space agencies to counteract the deconditioning caused by microgravity?