Fernando Pessoa said it well, and whoever thinks his statement was lost in past moments must be unaware of the great danger of space travel. And recording, silviolobo.com.br went after it to tell a little about the 
Space Program and the American and Russian space programs, and to report on the space shuttles.
Space Program and the American and Russian space programs, and to report on the space shuttles.The American space shuttles were:
Columbia (destroyed by accident, February 1, 2003 - see video)
Challenger (destroyed by accident, January 28, 1986 - see video)
Discovery (last mission scheduled for Wednesday, November 3, 2010, but by the time this article was finished it had been postponed for the third time) See end of article for updates.
Atlantis (was decommissioned)
Endeavour (was decommissioned, but there is expectation of returning after upgrades and repairs)
The Russians created Buran to compete with the American models, and they built 11 models, namely OK-GLI, OK-TVA, OK-M, OK-MT, OK-TVI, OK-KS, OK-1.01, OK-1.02, OK-2.01, OK-2.02, OK-2.03. The goal was to build reusable spacecraft, but it was different, it had several unmanned flights and was discontinued with the arrival of Ptichka (in Russian: Птичка, "little bird"), which is almost idle due to lack of funding.
Buran was destroyed in an accident on May 12, 2002, when the roof of the hangar where it was stored collapsed, destroying the spacecraft and killing several workers.
The major accidents were with Columbia and Challenger, watch the videos carefully, see the images and remember and discover, to do this, click on the link immediately below,
Space shuttle Challenger explodes (1986)
The crew of the Challenger: Francis R. Scobee, Michael J. Smith, Judith A. Resnik, Ellison S. Onizuka, Ronald E. Mcnair, Gregory B. Jarvis and Christa Mcauliffe.
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Columbia (2003)
The last crew.
Back: David Brown, Laurel Clark, Michael Anderson, Ilan Ramon.
Front: Rick Husband, Kalpana Chawla, William McCool
Discovery - NASA promises the last flight, see excerpts from today's newspapers, and the crew photo.
NASA postponed the launch of the Discovery space shuttle to Thursday due to an electrical failure in one of the engines, the American space agency reported on Tuesday. Terra
SAO PAULO – After problems with one of the engines, the Discovery space shuttle is ready to be launched on its last mission this Wednesday, November 4th. According to a statement released by NASA, Mission Control confirmed the spacecraft's takeoff at 3:52 PM EDT. Info Abril
Washington, Oct 30 (EFE) – NASA postponed the launch of the Discovery today because specialists will take longer than expected to fix a helium and nitrogen leak in a part of the spacecraft. Yahoo News
The North American aerospace agency (NASA) announced today that the Discovery space shuttle is ready for its last flight. Gathered at the Kennedy Space Center in Cape Canaveral (Florida), mission directors conducted the final check before launch today and unanimously voted to maintain the launch schedule, planned for Wednesday afternoon. Agência Estado
WASHINGTON, October 29, 2010 (AFP) - The launch of the American space shuttle Discovery has been postponed for at least 24 hours due to the detection of a leak in the pressurization system. AFP
On Thursday, when Discovery's last flight was scheduled, NASA announced that the flight would only happen on November 30th. silviolobo will be watching!
