It started as a dot - a bright, white star that raced across the Southwest.
Over Texas, the dot became a streak that thickened, then spawned smaller streaks - "little sparklies," Linda Steed recalled.

Then came the sound - "a big, rolling boom," she said. "The dog started barking like crazy."

A decade ago, 200,000 feet above Steed's driveway in Nacogdoches, the space shuttle Columbia broke apart on re-entry. All seven astronauts aboard died.

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