Example sentences of "[adv] visible [prep] the naked eye " in BNC.
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| 1 | Protozoa are much larger than bacteria or viruses , although still not visible to the naked eye . |
| 2 | Vis , only visible , not visible to the naked eye . |
| 3 | Quite often , olivine and pyroxene begin to crystallize out early on , so they may be present in the final rock as quite large crystals , up to a centimetre across , many times larger than the crystals surrounding them , and easily visible with the naked eye . |
| 4 | Præsepe , nicknamed the Beehive , is one of the finest clusters of its type ; it is easily visible with the naked eye and is well seen with × 7 binoculars , while with × 12 and × 20 it is truly glorious . |
| 5 | There is however one splendid open cluster , M41 , which is easily visible with the naked eye and is resolvable with × 20 binoculars ; various individual stars can be seen with lower magnifications . |
| 6 | It is easily visible with the naked eye , and is striking in binoculars ; with × 12 there is some resolution of its outer parts , and with × 20 it is seen to be starry . |
| 7 | Its companion , Alcor or 80 Ursæ Majoris , is of magnitude 4.0 , and is easily visible with the naked eye ; the angular distance between the two is 11.8 minutes of arc , so that in binoculars they make a noble pair . |
| 8 | It is easily visible with the naked eye , and binoculars give it a vaguely cruciform appearance . |
| 9 | The equivalent of larval stages are completed within an egg capsule so that the young emerge at the crawling stage when they are easily visible to the naked eye and can be fed in captivity . |
| 10 | It has a period of 357 days , and at minimum is so faint that large telescopes are needed to show it , but at maximum it has been known to rise to 5.7 , and is then just visible with the naked eye and very easy in binoculars . |
| 11 | The mite is just visible to the naked eye and feeds on honey bees and their grubs by sucking their body fluids . |
| 12 | However , some cells , like the large eggs of frogs , are easily visible , and the human egg is just visible to the naked eye . |
| 13 | The human and mouse eggs are about one tenth of a millimetre in diameter and are just visible to the naked eye . |
| 14 | The faintest stars normally visible with the naked eye are of magnitude 6 , and binoculars will go down to at least 8 ; my 20 × 70 pair will reach 9 . |
| 15 | Here was I absolutely totally visible to the naked eye , and your friend looked right through me . |
| 16 | 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 . |
| 17 | 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 . |
| 18 | L2 Puppis is a semi-regular variable with a range of from 3.4 to 6.2 , so that it is almost always visible with the naked eye and is well within binocular range even at minimum ; it is of type M , and clearly orange . |
| 19 | Because the creatures of the plankton individually are small , they are not always visible to the naked eye . |
| 20 | More than a hundred are known , though only three ( Omega Centauri and 47 Tucanæ in the southern sky , and the Hercules globular in the northern ) are clearly visible with the naked eye . |
| 21 | It is clearly visible with the naked eye , close to Nu ( 4.5 ) . |
| 22 | I well remember the occasion when he discovered a brightish nova , just about visible with the naked eye and easily seen with binoculars . |
| 23 | In order to make a weekly sum of money even dimly visible to the naked eye , she had to translate fifty pages a week , a drudgery she tried to regard as ineluctable as brushing her teeth or washing the kitchen floor . |
| 24 | 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 . |
| 25 | But many kinds of bacteria in nature form elaborate colonies , often quite visible to the naked eye , in which different individuals perform different functions , so that the whole colony functions as if it were a single organism . |