UNIVERSE
SPACE EXPLORATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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large oxygen tank
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tough outer shell
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small radio communicator
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None of the above
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Detailed explanation-1: -Astronauts are protected from collisions with micrometeoroids due to multiple layers of durable fabrics such as Kevlar. Astronauts are protected from radiation by reflective coatings built into the suits.
Detailed explanation-2: -Preventing Bone Loss in Space Flight with Prophylactic Use of Bisphosphonate: Health Promotion of the Elderly by Space Medicine Technologies. An astronaut performing exercise in the International Space Station.
Detailed explanation-3: -Because there is nothing out in space (like an atmosphere), the sound waves from one astronaut’s whistling can’t travel over to the other astronaut’s ears. That’s why the astronauts use radios to communicate-even if they’re floating in space right next to each other!
Detailed explanation-4: -If you stay for a long time in space, your muscles and bones will weaken, primarily in the legs and lower back. Gravity always acts on you while you’re on the earth, so even if you’re not really conscious of resisting gravity, you’re always using the muscles of your lower body.