WASHINGTON --NASA says it has invited 150 lucky people to a behind-the-scenes perspective from the press site at the agency's Kennedy Space Center in Florida for the final launch of space shuttle Endeavour on April 29. The participants were selected randomly from more than 4,100 online registrants during a 24-hour opportunity in mid-March. NASA says the attendees represent 43 US states, the District of Columbia, Australia, Brazil, Canada, Germany, New Zealand, Puerto Rico, Switzerland, Venezuela, and the U.K. Participants will share their experiences with their more than 3.7 million combined followers through the social networking site Twitter. On Sunday, the agency surpassed one million followers on its flagship Twitter account @NASA. The launch is scheduled for 2:47pm CT. Stay with Eyewitness News and abc13.com for full coverage of the final launch of space shuttle Endeavour. And follow us on Twitter @KTRKHouston.