It is estimated that a single satellite launch can range in cost from a low of about $50 million to a high of about $400 million. Launching a space shuttle mission can easily cost $500 million dollars, although one mission is capable of carrying multiple satellites and send them into orbit.
The Continental Congress adopted the Great Seal on June 20, 1782, and eventually the U.S. Congress approved it on September 15, 1789. The final design on the face of the Great Seal was primarily the creation of William Barton, an expert heraldist.
The Constitution was adopted by a convention of the States on September 17, 1787, and was. subsequently ratified by the several States, on the following dates: Delaware, December 7, 1787; Pennsylvania, December 12, 1787; New Jersey, December 18, 1787; Georgia, January 2, 1788;