Space Hazards

How does microgravity affect the human body in space?

• Microgravity leads to increased muscle mass and bone density

• Microgravity has no impact on the human body

• Microgravity causes enhanced cardiovascular function

• Microgravity causes muscle atrophy, bone density loss, fluid redistribution, and changes in the cardiovascular system.

What are the dangers of solar radiation in space?

• Enhanced satellite communication

• Reduced risk of cancer

• Increased vitamin D production

• The dangers of solar radiation in space include cell damage, increased cancer risk, electronic equipment damage, and interference with satellite communications.

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Explain the risks associated with space debris collisions.

• Reducing the cost of space missions

• The risks associated with space debris collisions include damaging satellites, spacecraft, and the International Space Station, creating more debris, and endangering astronauts.

• Enhancing communication between space agencies

• Promoting international cooperation in space exploration

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Why are extreme temperatures in space hazardous to astronauts?

• Extreme temperatures in space can lead to increased energy levels in astronauts.

• Extreme temperatures in space can enhance astronaut performance.

• Extreme temperatures in space have no impact on astronauts.

• Extreme temperatures in space can cause thermal stress on the astronaut's body, leading to overheating or hypothermia.

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How does the lack of atmosphere in space expose astronauts to dangers?

• Harmful radiation, extreme temperatures, and decompression sickness

• Alien encounters, meteor showers, and black holes

• Space debris, lack of communication, and lack of sleep

What are some psychological challenges astronauts face in space?

• Regular communication with Earth

• Isolation, confinement, lack of privacy, altered sleep patterns, and separation from loved ones.

• Unlimited food supply

• Extreme temperatures

What physiological changes occur in astronauts due to microgravity?

• Strengthened immune system

• Enhanced bone density

• Increased muscle mass

• Muscle atrophy, bone density loss, fluid shift towards the head, cardiovascular deconditioning, weakened immune system

• Cardiovascular improvement

How can astronauts protect themselves from solar radiation?

• Drinking more water

• Using shielding materials, specialized suits, limiting exposure time, and monitoring radiation levels.

• Applying sunscreen

• Wearing sunglasses

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What measures can be taken to mitigate the risks of space debris collisions?

• Deploy more satellites to act as shields against debris

• Implement active debris removal, perform collision avoidance maneuvers, design satellites for post-mission disposal, and enhance international cooperation for space traffic management.

• Increase the speed of satellites to avoid collisions

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How do spacesuits help astronauts deal with extreme temperatures in space?

• Spacesuits have multiple layers of insulation that help regulate the astronaut's body temperature by trapping heat in cold conditions and reflecting sunlight in hot conditions.

• Spacesuits are made of materials that absorb extreme temperatures to keep astronauts comfortable.

• Spacesuits have built-in heaters to warm up astronauts in cold conditions.

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