> we see that a mass of 278000 kg (139 metric tons) Tangent: would not 278000 kg be 278 metric tons, i.e., tonne? * https://en.wikipedia.org/wiki/Tonne https:

> we see that a mass of 278000 kg (139 metric tons) Tangent: would not 278000 kg be 278 metric tons, i.e., tonne? * https://en.wikipedia.org/wiki/Tonne https://en.wikipedia.org/wiki/Tonne