The final image taken before impact has a resolution of 1.5 meters.

And some riders said they had not felt the train slow down before impact.

It may never be determined whether those on board died before impact, he said.

Taylor was skating with his head down just before impact.

It had made a continuous descent in the last 5 minutes before impact.

The shark saw the danger less than a second before impact.

Two seconds before impact with the ground the aircraft was at 180 feet.

"If we reach the point of no return, we'll have about thirty seconds before impact."

At the last second before impact, you're suddenly soaring over the water.

Another possibility was to bluff an attack, but turn around before impact.