When did NASA start building the space shuttle?

Shuttle construction contract awarded July 26, 1972 Construction began on the first shuttle OV-101 Enterprise on June 4, 1974. 7/17/74 - 5/27/77 MPTA-098, became O (MORE)

How many shuttles did NASA build?

There have been 6 orbiters. Enterprise was first. Never flew in space. Was built for Approach and Landing tests (ALT). Then came Columbia, Challenger, Atlantis, Discover (MORE)

Why doesnt nasa build rotating spacecraft to simulate gravity?

First, there's no reason to, and second, a spacecraft large enough to simulate it hasn't been required yet. There's also the engineering and design requirements. Such a spa (MORE)

Can NASA build a enterprise?

If you are asking about the Starship Enterprise from the Star Trek series, no, NASA cannot build that at the present time. They are going to have to do more research and devel (MORE)