Hundreds of years could have gone by before this object was discovered.

"The object was discovered in high orbit above the Earth."

This explains why an object so near to the Sun was not discovered in earlier searches.

Several objects approaching the size of Pluto have been discovered in recent years.

In the story, the object is discovered to be an alien disguised as something nobody wants.

According to one service member, the object was chased, and eventually discovered to be hovering five feet off the ground.

Then you can discover other cool objects in nearby regions of the sky.

"And, when the dangerous objects are discovered, will dragons be required to push them out of the sky?"

"The object was discovered almost six months ago," Cameron said as she rose from her chair and moved closer to the viewer.

He delighted to discover objects of charity and relieve their wants.