These must, therefore, have been constructed by extraterrestrial visitors.

Are these talents really yours now, or are you merely a host for an extraterrestrial visitor?

If extraterrestrial visitors have to land somewhere, why not in Voronezh?

However, I don't see where we've got room for extraterrestrial visitors.

I even considered the possibility of extraterrestrial visitors.

"We're here to make contact with an intelligent extraterrestrial visitor, and you talk about long shots?"

It released an extraterrestrial visitor we call the Guest.

Could we believe that our extraterrestrial visitor and the visitors in Australia were linked?

Not an extraterrestrial visitor, but a blast of lightning that set a bush afire.

He gave a long speech about the honor he'd been given, to be the first Denari to receive extraterrestrial visitors.