FAQ

What is the Initial Mass?
Initial Mass often refers to the mass of a spacecraft or rocket at the start of a mission, including all components such as payload, structure, propellant, and any other necessary equipment. Initial Mass is usually measured using the Kilogram for Weight. Note that the value of Initial Mass is always positive.
Can the Initial Mass be negative?
No, the Initial Mass, measured in Weight cannot be negative.
What unit is used to measure Initial Mass?
Initial Mass is usually measured using the Kilogram[kg] for Weight. Gram[kg], Milligram[kg], Ton (Metric)[kg] are the few other units in which Initial Mass can be measured.
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