The goal of the project is to establish a permanent human presence in Earth orbit for conducting experiments and observations.

They established a temporary camp and for the next two days conducted scientific observations.

The team conducted observations in meteorology, atmospheric science and glaciology.

Its seven windows are used to conduct experiments, dockings and observations of Earth.

Mr. Barnwell, they found, was failing to check lessons plans, conduct observations and train teachers.

The two blimps were conducting experimental visual and photographic observations during night flight.

Now many radio-astronomical stations are conducting observations on cosmic ray showers.

By the 1930s, the smoke and sky-glow of the city had made it impossible to conduct useful observations in Rome.

The site was first used by the Smithsonian Institution in 1924, which conducted atmospheric, solar, and astronomical observations for many years.

"To be certain, we must enter the cloud and conduct firsthand observations."