1.   It is easily visible with the naked eye, and binoculars give it a vaguely cruciform appearance.

2.   It is visible with the naked eye, and its position close to Eta and Mu makes it very easy to locate.

3.   Away from the polluted skies of urban areas, five of the planets should be visible with the unaided eye.

4.   Again, although the Christmas Tree cluster is visible with amateur telescopes, only photographs can reveal the full spectacle of the Cone Nebula.

5.   It was not the first time photography had persuaded people that the unseen world could be made visible with a little assistance from light and chemicals.

6.   Trainer Nick Zito has been most visible with the snide remarks, and others have chimed in.

7.   With clear skies, Mercury, Venus, Mars, Jupiter and Saturn should be visible with the naked eye just as darkness begins, Peters said.

8.   Bees are on the defensive because of two tiny mites, one visible only with the aid of a microscope.

9.   Like fingerprints, semen gives off a fluorescent emission that is too weak to be seen but becomes visible with special lights and filters.

10.   Many corpses were partially visible with only their legs sticking above the shallow graves.