Is 39 grains as heavy as The Space Shuttle?
It's about 0.00000004 times as heavy as The Space Shuttle
The weight of The Space Shuttle is about 1,100,000,000 grains.
(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 1,100,000,000 grains. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 300,000,000 grains.
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