The first attempted launch of Starship last April ended in a midair explosion, and a second attempt in November started promisingly, but ended prematurely with an explosion and a loss of signal.
Another of the large air ships exploded high in the air. Members of the crew fell to the ground. The huge ship lost control and began turning again and again.
The National Transportation Safety Board says a preliminary exam shows evidence of metal fatigue on the Southwest Airlines jet engine that blew apart amid air.
Every 2,000 years or so, a meteor about 100m across hits Earth, blasting through the atmosphere, causing significant damage to the area from the impact itself but also from the airburst associated with it.