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Is 0.0000000540 megatonnes as heavy as The Space Shuttle?

It's about one-one-thousand-five-hundredth as heavy as The Space Shuttle
The weight of The Space Shuttle is about 0.0000710 megatonnes.
(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 0.0000710 megatonnes. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 0.0000200 megatonnes.
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