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Astronauts study a variety of subjects to prepare for space missions, such as space science, engineering, physics, Biology, and medicine. They also train in specialized areas like spacewalks, operating spacecraft, and conducting experiments in microgravity. Additionally, astronauts often engage in research while in space, focusing on areas like the effects of space travel on the human body, Earth observation, and material science.
seismometer.
They study how long to get to planets and if there is life in outer space.
A seismometer is used by astronauts to study extremely weak moon quakes. It is a sensitive instrument that can detect and measure the vibrations caused by these quakes.
The Apollo astronauts collected rock and soil samples from the moon during their missions. These samples were brought back to Earth for scientific study and analysis. This collection of samples has greatly increased our understanding of the moon's composition and history.
No astronauts have died on the moon. All astronauts who have traveled to the moon returned safely to Earth.