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444,900,000 pounds is about 3,000 times as heavy as The Space Shuttle
In other words, it's 2,800 times the weight of The Space Shuttle, and the weight of The Space Shuttle is 0.00036 times that amount.
(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 160,000 pounds. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 44,000 pounds.
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