2 US tons
1.814 tMass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass
Heavyweights
Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.
A little perspective
The launch mass of the Gaia spacecraft is about 1.12 times 2 US tons.
Mass: 1.814 t; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Launch mass: 2.03 t; approximate.
ESA’s Gaia observatory was approximately 3.5 m high and had a launch mass near 2,030 kg. Its deployed circular sunshield defines a much larger transverse span.
The marked launch mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Compare 2 US tons with the launch mass of the Gaia spacecraft. The notes below explain how each value was chosen.
Mass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Launch mass · approximate
ESA’s Gaia observatory was approximately 3.5 m high and had a launch mass near 2,030 kg. Its deployed circular sunshield defines a much larger transverse span.
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
Mass is distinct from weight: an object’s mass stays the same as gravity changes.
Change your perspective
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A little smaller. A little larger.