At the time of its discovery in 2000, it was the second largest, second only to 3C236.

Only seven plants were observed at the time of its discovery.

At the time of its discovery, the island was uninhabited, but there were ruins.

At the time of its discovery, it was the largest pearl ever found.

At the time of its discovery, the asteroid was about 315 million kilometers from the Earth.

Both were very faded at the time of their discovery.

The time of its discovery was some three hours after I had woken to find myself in this place.

At the time of its discovery," she continued, "your mother had already died.

At the time of its discovery it was the lowest-mass star known.

At the time of its discovery, it was unlike any other Asian carnivore known.