Tyrannosaurus Rex Bones Set To Fetch $8M At Auction

The video discusses the upcoming auction of a Tyrannosaurus Rex skeleton named Stan at Christies. Stan is one of the largest and most complete T. Rex skeletons, with 188 bones, standing 13 feet tall and 40 feet long. Scientists have studied Stan for 20 years, and now the skeleton is ready for auction. The video highlights the uniqueness and value of this auction, presenting it as a remarkable opportunity.

What is the significance of the auction mentioned in the text?

For how many years have scientists studied the Tyrannosaurus Rex mentioned in the text?