Or they may actually be observing dim stars in nearby galaxies, and not any of the elusive dark matter.

On clear nights you can observe the moon, stars and planets.

The different predictions can be tested by observing stars that are close to the Sun during a solar eclipse.

Humans are able to observe stars below 7th magnitude, although this may require blocking out other sources of light.

This again demonstrated the telescope's ability to look into dense clusters and observe individual stars.

Such an instrument could also be used to set the Observatory's clocks by observing standard stars whose position was precisely known.

Hubble was observing distant stars, and he made a curious discovery.

For a long time, astronomers have observed stars in formation, because it is a process continuing through time.

The point spread function of the telescope will be repeatedly measured by observing stars within our own galaxy.

Higher areas provided an easier way to observe the horizon, sky, sun, moon, planets, and stars.