They only have their body heat to keep warm.The only heater they have is in their space gloves
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Astronauts on space missions use special heating systems in their spacesuits to regulate their temperature. These systems can generate heat to keep astronauts warm in the cold vacuum of space. Additionally, the spacesuits themselves are insulated to retain body heat and prevent it from escaping into space.
Astronauts on the space station have a controlled climate with heating systems to regulate temperature. They also wear special clothing that helps to maintain their body heat. Additionally, the station has insulation to minimize heat loss.
Astronauts on the moon stay warm inside their spacesuits, which are designed to protect them from extreme temperatures. The spacesuits have several layers of insulation to regulate temperature and provide heating. Additionally, the astronauts' movement and physical activity generate heat, helping to keep them warm.
Astronauts need warm clothing in space because space is very cold, with temperatures dropping to extreme lows. Without proper insulation, their bodies would quickly lose heat, leading to potential health risks. Warm clothing helps to maintain their body temperature and protect them from the harsh conditions of space.
Astronauts use specialized thermal control systems in their spacesuits and spacecraft to regulate their body temperature and stay warm in the extreme cold of space. These systems include heaters and insulation to trap heat and ensure the astronauts remain within a comfortable temperature range. Additionally, spacesuits are designed to be airtight to prevent heat loss through convection.
The straps that astronauts wear in the spacecraft are called harnesses. They are designed to keep astronauts secure and in place during launch, landing, and in case of emergencies.