Sentences with phrase «unaided eye»

The phrase "unaided eye" means looking at something without using any tools or help, only using your natural vision. Full definition
A perfect accessory and great learning tool for use with your telescope, binocular, or even unaided eyes
Unfortunately, the Great Wall's composition of clay and stone simply blends in too much to the surrounding landscape for anyone to make it out with an unaided eye from orbit.
See Colin's post above for more about what telescopes and microscopes can show us, as well as what can be seen by the unaided eye plus a properly functioning mind.
What about mention of items that man can't see with the unaided eye that actually exist?
The Small Magellanic Cloud (SMC) galaxy is a striking feature of the southern sky even to the unaided eye.
But a supernova close enough to be seen with the unaided eye is a rare event.
I love the color contrast in this image, the fact that we're seeing entirely different populations of objects, and also the simple idea that this is such a strange view of the Andromeda galaxy, a huge spiral so bright and close it's easily visible to the unaided eye from a dark site.
In the experiments reported in Science, dark gray material samples made of the elements bismuth and selenium — each a few millimeters long and of different thicknesses — were hit with «THz» light beams that are invisible to the unaided eye.
On an extremely clear, dark night, this galaxy is just visible with the unaided eye, and is considered to be the most distant celestial object visible without any optical help.
This means that the event should NOT be viewed with the unaided eye.
Now's the time to spot the faintest planet visible to the unaided eye.
All this means that none are visible from Earth to the unaided eye.
Dangerous organisms can range in size from elephants and large constricting snakes to scorpions and spiders, to the unseen, invisible to the unaided eye, disease - causing bacteria, fungi, and viruses.
Several of the candidates are in close proximity to the two largest dwarf galaxies orbiting the Milky Way, the Large and Small Magellanic Clouds, both of which are visible to the unaided eye.
Encouragingly, PANSTARRS has already been seen by observers in the southern hemisphere before perihelion, with reports that it is roughly as bright as the stars in the Plough and so is visible to the unaided eye.
It was the late 19th century when photographic pioneer Eadweard Muybridge felt the urge to witness what is merely a blur before our unaided eyes.
It looks like a fuzzy star to the unaided eye and resembles a glowing cloud through binoculars.
The farthest thing visible to the unaided eye is not a star at all: the Andromeda galaxy.
Phenocrysts are crystals that are larger than the matrix and are identifiable with the unaided eye.
Its host star is visible to the unaided eye from dark skies, meaning anyone with a good star map can see this record - breaking system.
No other asteroid is visible to the unaided eye, not even Ceres, which is nearly twice as wide.
Most green flashes — certainly, all that are visible to the unaided eye — are associated with mirages, or mirage - like phenomena.
Patients with macroscopically (observation made by the unaided eye) completely removed pancreatic cancer entered the study between July 1998 and December 2004 in 88 hospitals in Germany and Austria; follow - up ended in September 2012.
The scientists examined sulfur bacteria, microorganisms that are too small to see with the unaided eye, that are 1.8 billion years old and were preserved in rocks from Western Australia's coastal waters.
A living thing that is too small to see with the unaided eye, including bacteria, some fungi and many other organisms such as amoebas.
If the stars in the Kepler field are representative of stars in the solar neighborhood, then the nearest (Earth - size) planet is expected to orbit a star that is less than 12 light - years from Earth and can be seen by the unaided eye.
During September, ISON should become visible through binoculars and, after that, to the unaided eye as its head for perihelion — its closest approach to the Sun (at a distance of just 724,000 miles) on November 28.
The cluster contains hundreds of stars, of which only a handful are commonly visible to the unaided eye.
Binoculars and telescopes extend the range of visual observations from the 5th or 6th magnitude, the limit of the unaided eye, to the 12th or 13th.
At least to the unaided eye, excess carbon dioxide didn't seem to interfere with the growth of the urchins or the development of their organs.
Solar sibling HD 162826 is not visible to the unaided eye, but can be seen with low - power binoculars near the bright star Vega in the night sky.
The discovery made headlines around the world, as it was the first supernova visible to the unaided eye in almost 400 years.
microbe Living things that are too small to see with the unaided eye, including bacteria, some fungi and many other organisms such as amoebas.
That star is quite possibly going to be one that we can see in the sky with the unaided eye during a dark night.
Under vary dark skies, people with excellent vision can see M33 with the unaided eye.
The Andromeda Galaxy, also known as M31, is one of only a few galaxies that are visible from Earth with the unaided eye, and is seen as a faint smudge in the constellation Andromeda.
The fish looked fine to the unaided eye.
To the unaided eye, the two main components appear as a single point of light with an apparent visual magnitude of − 0.27, forming the brightest star in the southern constellation of Centaurus and is the third - brightest star in the night sky, outshone only by Sirius and Canopus.
The icy comet already had a riotous tail 20 times wider than the full Moon and a head bright enough to see in the pre-dawn eye with the unaided eye.
Because of its great distance from Earth, HE 0107 - 5240 is roughly about ten thousand times fainter than the faintest stars that can be seen with the unaided eye, despite being a highly evolved and relatively luminous giant.
This chart shows most of the stars visible with the unaided eye on a clear night.
microorganism A living thing that is too small to see with the unaided eye, including bacteria, some fungi and many other organisms such as amoebas.
[nb 5][nb 6][9] However, class M main - sequence stars (red dwarfs) have such low luminosities that none are bright enough to be seen with the unaided eye, unless under exceptional conditions.
However, most stars in the sky, except the brightest ones, appear white or bluish white to the unaided eye because they are too dim for color vision to work.
Double Star, a pair of closely - spaced stars that to the unaided eye usually appear as a single star.
microbe Short for microorganism, a living thing that is too small to see with the unaided eye.
They are visible from the Southern Hemisphere, and appear to the unaided eye as two separate patches of light — the Large and Small Magellanic Clouds.
To the unaided eye, Antarctic soil and alpine glaciers may appear to be barren wastelands devoid of life.
Under considerably dark skies, M24 is easily located with the unaided eye as a Milky Way star cloud in Northern Sagittarius, i.e. well «above» the teapot asterism and just north of Mu Sagittarii; under less favorable conditions the slightest optical aid will confirm it.
microorganism (or «microbe») A living thing that is too small to see with the unaided eye, including bacteria, some fungi and many other organisms such as amoebas.
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