ULA did not immediately give an official reason for the delay. They could not confirm if it was connected to the scrubbed rocket launch but said there is "no threat to the homeland".
First reports of the sighting came in shortly after 5:30 p.m.More news: How major United States stock indexes fared Tuesday
The scheduled 5:44 p.m. launch of the Delta IV Heavy rocket in Southern California was scrubbed, or canceled, leaving many wondering what was in the sky.
It's the fourth time the launch was postponed in the past two weeks.More news: Actress Traditionally Hot Avatar at Her Wedding Reception
The launch also was scrubbed Tuesday because of high winds and on December 7 and December 8 because of technical problems. The rocket will carry a classified satellite for the National Reconnaissance Office. "As the nation's premiere launch provider, the teams have worked diligently to ensure continued mission success, delivering our customer's payloads to the precise orbits requested".
"When meteoroids hit our atmosphere and burn up, they leave behind a haze of tiny particles suspended 70 km (43.5 miles) to 100 km (62 miles) above Earth's surface", NASA said.More news: European Union warns of transport delays, border checks, with no-deal Brexit
The launch of a spy satellite from a Central California base was scrubbed Wednesday night but folks still got a light show.