31.   This year, the device will be improved so that it will scan the sky once a month and detect asteroids as small as a football field.

32.   Using converted satellite dishes, thousands of amateurs could scan the skies for alien messages.

33.   Waiting, I scan the skies.

34.   With her newly purchased television satellite dish, Joan Bonvicini scans the skies above her Tucson home, searching for a wavelength to ride into basketball-fan heaven.

35.   Within that, motion detectors monitored the grounds while laser beams scanned the sky for airborne assault.

36.   Parents and young children thronged the show Sunday, packing the aisles in indoor exhibit halls and scanning the sky for flight demonstrations by cutting-edge jets like the Eurofighter.

37.   Ramiz Becirovic, who had just left Srebrenica, scanned the sky.

38.   Stargazers across the country scanned the skies in hopes of seeing Hyakutake, the brightest comet to pass by the Earth in two decades.