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What is the mass of an astronaut on earth?

The mass of an astronaut on Earth would be the same as their mass in space. Mass is a measure of the amount of matter in an object and does not change with location. It is the weight of the astronaut that would vary depending on the gravitational force acting on them.


What are some things made popular by nasa that are useful everyday?

Some inventions made popular by NASA that are now used in everyday life include memory foam (originally developed for astronaut seats), invisible braces (inspired by spacecraft ceramics), and scratch-resistant lenses (developed for astronaut visors). Additionally, technology such as satellite communications, water filtration systems, and cordless power tools have been improved by NASA research.


Why did Marc Garneau become an astronaut?

Marc Garneau became an astronaut because of his background as an engineer and experience as a military pilot, which made him a strong candidate for the Canadian Space Agency's astronaut selection process. Additionally, his dedication to space exploration and passion for scientific discovery were driving factors in his pursuit of becoming an astronaut.


The astronaut is connected to the spacecraft by what?

The astronaut is connected to the spacecraft by a tether or umbilical cord. This ensures they remain secured to the spacecraft while performing spacewalks or other external activities. The tether also provides communication, power, and life support systems to the astronaut.


Who is the only astronaut to fly on Mercury Gemini and Apollo space flights?

Gus Grissom is the only astronaut to have flown on Mercury, Gemini, and Apollo space missions. He was a highly experienced astronaut who tragically lost his life in the Apollo 1 mission fire in 1967.