Mass

In space and astronautical engineering, mass refers to the amount of matter in an object. It is a fundamental property of an object and is measured in kilograms. Mass is an important factor in space missions as it determines the amount of fuel required to launch and maneuver spacecraft. The mass of a spacecraft also affects its acceleration and velocity, which are critical in achieving the desired trajectory and orbit. In addition, the mass of payloads and equipment carried by a spacecraft must be carefully considered to ensure that the total mass does not exceed the launch vehicle's capacity. Mass is also a key factor in the design of space habitats and life support systems, as it affects the amount of resources required to sustain human life in space.
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