Makeshift Memorial Placed At Space Center

HOUSTON, TX - FEBRUARY 1: A woman walks away from a makeshift memorial outside NASA's Johnson Space Center for the seven astronauts who died when the Space Shuttle Columbia broke apart February 1, 2003 in Houston, Texas. The seven members of the crew were killed when the shuttle broke up over Texas preparing to land at the Kennedy Space Center in Florida. (Photo by Brett Coomer/Getty Images)