Circle Circles Collection

Eye examination
MODEL RELEASED. MODEL RELEASED. Eye examination. Teenage (16 year old) girl looks through a refractor during an eye examination at an ophthalmologist

Transit of Venus, 8th June 2004
Transit of Venus. Composite image of Venus (black transiting the Sun on 8th June 2004. The images were taken from Waldenburg, Germany)

Pioneer-Venus Orbiter photo of Venus
Pioneer-Venus Orbiter photograph of the planet Venus, the second major planet from the Sun & the one that comes closest to the Earth

Mariner 10 mosaic of Mercury
Mercury. Mariner 10 spacecraft mosaic image of Mercury, the closest planet to the Sun. Areas for which data is missing are blank

Woman sitting on exercise ball
MODEL RELEASED. Woman exercising with an exercise ball (Swiss ball). A wide variety of exercises can be performed with this piece of equipment. It is used in the Pilates exercise system

Coloured SEM of a white blood cell (lymphocyte)
Lymphocyte blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte, a common type of white blood cell. Characteristic of this rounded cell are the long microvilli which project

Morning glory pollen, SEM
Morning glory pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains (orange balls) on the pistil (female reproductive part) of a morning glory flower (Ipomoea sp.)

Woman using an exercise ball
MODEL RELEASED. Woman using an exercise ball (Swiss ball) to do sit-ups. A variety of exercises can be performed with this piece of equipment. It is used in the Pilates exercise system

Very Large Array (VLA) radio antennae
Very Large Array antennae. View of several dish antennae which make up the Very Large Array (VLA) radio telescope near Socorro, New Mexico, USA

Topographic map of Venusian north polar region
Colour-coded topographic map of the region surrounding Venus north pole. The view is centred on the pole and extends down to a latitude of 20 degrees north

Medical watch. This timing device is used by medical workers, as represented by the green cross symbol. It would be used for a variety of timing uses, such as measuring a patients pulse rate

Europe and North Africa
Europe. Satellite image of the Earth showing the continent of Europe at the centre and north Africa at the bottom

Earth and Milky Way. Artwork of city lights seen on the night side of the Earth with the Milky Way galaxy in the background. Dark bands of dust obscure the view of the bright central region

Newtons cradle. Computer illustration of a device known as Newtons cradle. It consists of a set of balls resting against one another that are free to swing from the bar (not seen) they hang

Entertainment, Music, Compact Discs
Entertainment, Music, Recorded, Compact Discs

Red and white blood cells. Coloured scanning electron micrograph (SEM) showing two types of human blood cells. Red blood cells (or erythrocytes, red) and a white blood cell (or leucocyte)

Aerial view of Stonehenge. Dating from about 2100BC, Stonehenge consists of large sandstone blocks and smaller bluestone pillars. The outer ring of lintelled stones has a diameter of 30 metres

De Wits Atlas of 1689
The known World in the late 17th Century. Map of the world taken from the World Atlas of Frederick de Wit, dated 1689. The map is shown as a Fournier projection, the most common of the day

Composite image of the Earth and a human eye
Earth as an eye. Composite image of half a human eye and the Earth, in space. This could represent the Earth as an observatory or eye on the universe

Crescent Earth. View of the Earth taken from the Apollo 4 spacecraft, in orbit 17, 960 kilometres above the surface. The large amount of cloud cover makes it difficult to identify any surface

Colour SEM of red & white blood cells
Blood cells. Coloured scanning electron micrograph (SEM) of human blood showing red and white cells. Red blood cells (erythrocytes) have a characteristic biconcave-disc shape and are numerous

Coloured SEM of transverse section of compact bone
Compact bone. Coloured scanning electronmicrograph (SEM) of a transverse section ofcompact bone. The Haversian canal (dark centralarea) contains blood vessels

LM of four-cell embryo
Four-cell embryo. Light micrograph of the blasto- meres of a four-cell human embryo, two days after fertilisation. The blastomeres are the rounded cells

Coloured SEM of a fertilized human egg (zygote)

Sperm fertilising egg

Brass astrolabe from the middle ages
Astrolabe. Brass astrolabe from the middle ages. The astrolabe consists of circles marked with angular measurements. By aligning the astrolabe with the horizon

Computer graphic image of a human eye

Upgraded Arecibo radio telescope with subreflector
Upgraded Arecibo radio observatory. Aerial fisheye lens view of the Arecibo radio telescope, with its gregorian subreflector system newly installed in 1997

Coloured TEM of a basophil white blood cell
Polynuclear basophil. Coloured Transmission Electron Micrograph (TEM) of a basophil white blood cell. This basophil has one bi-lobed nucleus (yellow, lower centre) and a second nucleus at upper left

Venus, Magellan image

Normal retina of eye
Fundus camera image of the retina of a normal eye, showing the distribution of the retinal veins & arteries: the central retinal artery (a branch of the opthalmic artery)

Stroke. Coloured computed tomography (CT) brain scan showing a cerebrovascular accident (CVA), or stroke. The red region is an area of internal bleeding, or haemorrhage

West Nile viruses. Coloured transmission electron micrograph (TEM) of a group of West Nile viruses (WNV). This virus is known to cause encephalitis in humans

Narrowed artery due to cholesterol

Illustration of narrowed artery in hyperlipidaemia
Hyperlipidaemia. Illustration of the narrowing of an artery (atherosclerosis) due to high levels of lipids in the blood (hyperlipidaemia)

DNA sequence magnified by a magnifying gl

cientist studies DNA autoradiogram with magnifier
MODEL RELEASED. Gene mapping. Male scientist studies a series of DNA sequencing autoradiograms or " genetic fingerprints" through a magnifying glass

DNA sequence magnified by a magnifying glass
DNA sequences. A magnifying glass over two DNA sequences. The sequence also known as an autoradiogram is four rows of irregularly spaced black bands

Barcoded Earth, conceptual image. The barcode may represent a variety of concepts, like the placing of commercial interests above global environmental or human welfare issues

Cuba and Florida from Space Shuttle
Shuttle photograph of the northern Caribbean Sea including the peninsula of Florida (shown at the top). Cuba appears in the centre foreground

Computer artwork of sunrise over crescent Earth
Sunrise. Computer artwork of sunrise over the Earth seen from space. Only a crescent of the Earth is illuminated by the Sun

Computer artwork of the Earth with a glow
Whole Earth. Computer illustration of the whole Earth seen with a glowing light on a starfield. The Earth is centred on Africa with land seen as brown, water as blue and clouds as white

Computer artwork of Earth with burning continents
Earth. Computer artwork of the whole Earth with burning continents. North is towards the upper left. The Sun is seen rising behind the Earth

The OPAL detector at CERN
A technician works on one of two end caps of the OPAL detector at CERN, the European centre for particle physics near Geneva. OPAL is one of 4 giant particle detectors at the LEP collider

Encephalin peptide
Encephalin. Computer molecular graphic of part of a molecule of encephalin, a polypeptide found in the human brain. It has a painkilling effect

Adrenaline. Computer model of part of the molecular structure of the hormone adrenaline, or epinephrine (formula C9.H13.N.O3)

B-chain of insulin molecule
Insulin. Computer graphic showing a part of the molecule of human insulin. A single insulin mole- cule is made up of two chains of amino acids, the A and B chains

Penicillin drug molecule
Penicillin. Computer graphic of part of a molecule of penicillin, an antibiotic drug. The spheres represent atoms and are colour-coded as: carbon (green), oxygen (red), hydrogen (white)

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"Circle Circles: Exploring the Beauty and Mystery of Circular Patterns" Pioneer-Venus Orbiter photo of Venus: Behold the mesmerizing circular formations on Venus, a celestial wonder that captivates our imagination. Transit of Venus, 8th June 2004: Witnessing the rare occurrence of Venus gracefully crossing the sun's path, creating a perfect circle against the backdrop of space. Mariner 10 mosaic of Mercury: Marvel at Mercury's intricate surface features, showcasing numerous circular craters that tell tales from its ancient past. Eye examination: Peering through circles upon circles during an eye exam reminds us how intricately designed our vision is, with each circle representing clarity and focus. Woman sitting on exercise ball: Balancing effortlessly on an exercise ball, she embodies harmony and strength within her body's natural curves – a testament to embracing circular movements for fitness. Coloured SEM of a white blood cell (lymphocyte): Dive into the microscopic world where even cells exhibit circular shapes; witness their vital role in protecting our bodies' health and immunity. Morning glory pollen, SEM: Zooming in closer reveals nature's exquisite artistry – delicate morning glory pollen grains forming symmetrical circles under electron microscopy. Woman using an exercise ball: Embrace holistic wellness as this woman finds balance while engaging her core muscles on an exercise ball – reminding us to embrace life's ever-changing cycles with grace. Very Large Array (VLA) radio antennae: Gaze upon these colossal circular arrays reaching towards the sky; they symbolize humanity's quest to unravel cosmic mysteries by listening to distant signals from outer space. Topographic map of Venusian north polar region: Discover enchanting landscapes shaped by nature’s forces over time - concentric rings revealing secrets hidden beneath Venus’ icy northern pole region Medical watch.