Example sentences of "visible [prep] the naked eye [prep] " in BNC.
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| 1 | It is easy to find , because it is usually visible with the naked eye at about magnitude 5 , and is in the same binocular field with Beta ; to either side of it are Tau ( 5.1 ) and Sigma ( 4.9 ) , which act as good comparisons , though Tau is of type K and has been suspected of slight variability . |
| 2 | With × 7 , Zeta is in the same field as Delta and Lambda , and this makes comparisons easier even though Zeta is always visible with the naked eye under even reasonable conditions of seeing . |
| 3 | When photographed with adequate equipment it really does recall the outline of the North American continent ; it is dimly visible with the naked eye in the guise of a slightly brighter section of the Milky Way , and binoculars show it clearly as a large region of diffuse nebulosity . |
| 4 | It should be visible to the naked eye as a fuzzy patch ( without a tail ) two to three times the size of the Moon , and moving at a relatively high speed — by about its own diameter every hour . |
| 5 | This stripe , which gives rise to the alternative name for this area , the striate cortex , is visible to the naked eye in sections of the human brain . |