Fifteen years ago, the skies belonged to professionals commanding high-powered telescopes at institutional observatories.

Through the high-powered telescope, they could see that the asteroid was very irregular, and turning slowly end over end.

Each would watch through high-powered telescopes to try to gauge the adjustment for the second shot.

He was also involved in building Iran's first high-powered telescope in the 1970s.

Because Burt would rightly assume that there's somebody in the hills with a high-powered telescope who wants his keypad information, wants the code.

He'd have preferred to see the telltale glint of a high-powered telescope poking through, but no such luck.

Large, glossy pictures of the stars made by a photographic scientist using a high-powered telescope in Australia.

For reaching to the heavens, a high-powered telescope could turn even couch potatoes into explorers of the universe.

A high-powered telescope is mounted on an aluminum tripod near a dining room window in the Grissoms' bungalow-sized home.

This year he has been happily watching bald eagles, with a high-powered telescope that faces west, across the water.