Semicircle Collection (page 2)

Roman Art. Spain. Andalusia. Italica. Theatre
Roman Art. Spain. Italica. Theatre. Its construction began under Emperor Augustus (1st century BC-1st century AD). Orchestra, frons pulpiti and scaenae frons. Santiponce. Andalusia

Church of the Assumption of Our Lady (13th century). Cubillo
Church of the Assumption of Our Lady (13th century). Mudejar Romanesque style. Apse. Cubillo de Uceda. Castile-La Mancha. Spain

Ruins near the Forum, Jerash (Gerasa), Jordan, Holy Land
Roman ruins near the Forum at Jerash (Gerasa), Jordan, Holy Land. Date: 1920s

Roman Forum at Jerash (Gerasa), Jordan, Holy Land
View of the Roman Forum at Jerash (Gerasa), Jordan, Holy Land, with a semicircle of ruined columns. Date: 1920s

Boy scouts and cubs and their leaders, Mauritius
Boy scouts and cubs sitting in a semi-circle on the grass, with two leaders standing, Mauritius

Arctic sea ice
September 14, 2008 - Arctic sea ice

Artist concept illustrating the stellar explosion of a supernova
This image is part of a series that illustrates the death of a star and its system of planets as it blows itself apart becoming a supernova

Artists concept illustrating the stellar explosion of a supernova
This image is part of a series that illustrates the death of a star and its system of planets as it blows itself apart becoming a supernova

Tropical storms on planet Earth
July 22, 2011 - Tropical storms on planet Earth

Gibbous Moon

Artists concept illustrating the explosion of a supernova
When a star turns into a supernova, any planets and their moons that orbit the dying star are also destroyed

Artists concept of Saturn and its moon Titan
Artists concept of how Saturn and Titan might look from a position in orbit around Titan. While in reality Saturn is vastly larger than Titan

Artists concept of a distant red planet orbiting its Sun. This alien world shows definite signs of water, and therefore maybe life itself

An unreal landscape of Saturns moon Dione blasted by impacts. The rising Sun throws craters into sharp contrast and reveals steep crater walls

Snow, Sea, Ice
MODIS (Moderate-resolution Imaging Spectroradiometer) Snow, Sea, Ice

Artists concept illustrating the point when two planets touch. Do they rip each other apart, do they become an even bigger planet, or do they phase into different dimensions?

Two planets born from the same star, yet they couldn t be more different

Artists concept of a rose nebula, home to relatively new and young star systems
Artists concept of a rose nebula, named because of its delicate colors, and home to relatively new and young star systems

A partial view of Earth showing Australia and the Great Barrier Reef
A clear view of the southern Great Barrier Reef, salt pans in the Australian desert, and sunglint patterns in the Bismarck Sea

View of the western Mediterranean with visible smoke in the Balkans and dust from the Sahara desert

Planet Earth showing sea ice coverage in 1980
Sea ice coverage in 1980. Multi-year ice is shown in bright white, while average sea ice cover is shown in light blue to milky white

Illustration of Enceladus in front of the Earth and next to Earths moon
Enceladus is considered one of Saturns major satellites, however, it is quite diminutive when compared with the Earth and Earths Moon

Digitally generated image of our solar system and points beyond. Several data sets from various planetary and astronomy missions were combined to create this image

Spring eclipse as viewed from the Solar Dynamics Observatory. Unlike the crisp shadow one sees on the sun during a lunar eclipse, Earths shadow has a variegated edge due to its atmosphere

Hudson Bay sea ice on April 29, 2006

Waxing gibbous moon

Artists concept of cosmic contrast in the night sky
When looking up at the night sky, everything apart from the moon appears to be in black and white. Through a telescope, vague colors start to appear when looking at the stars and planets

View over Greenland and the Arctic Ocean
Operation Ice Bridge is a six-year campaign of annual flights to each of Earths polar regions. The first flights in March and April carried researchers over Greenland and the Arctic Ocean

Artists concept illustrating a star cluster in the Milky Way galaxy
Artists concept illustrating one of many star clusters found in the Milky Way galaxy. A distant world orbits one of these stars on the edge of a gaseous nebula that gave birth to this family of stars

Partial view of Earth showing northern Canada and northern Greenland

The frozen continent of Antarctica and its surrounding sea ice

Oblique Bermuda s-eye-view of the United States east coast

Solar System Poster

The Arlington Memorial Amphitheater at Arlington National Cemetery, Arlington, Virginia, USA

A star going nova

Artists concept of an early Earth impact
A molten, infant Earth is impacted by an object about 10 miles in diameter, releasing 200 million times as much energy as the largest manmade explosion

View of Earth from space showing phytoplankton bloom between Iceland and the United Kingdom

View of Hurricane Frances on a partial view of Earth
September 1, 2004 - View of Hurricane Frances on a partial view of Earth

Artists concept of Pluto. In 1985 it was discovered that Pluto has an atmosphere, albeit a very tenuous one. Plutos atmosphere arises only when it approaches closer to the Sun during its highly

Alien worlds that orbit different types of stars. These planets belong to a system that is part of a small star cluster which illuminates nebulous gases

Illustration of the giant extrasolar planet 70 Virginis b
Extrasolar planet 70 Virginis b presides over the hot and airless terrain of a hypothetical moon. While it is not known if 70 Virginis b has rings, it is certainly possible

Half-moon

Ghostly glows of a truly dark Sky
A 180 degree panorama showing the zodiacal light (at right in the west), the Milky Way, the zodiacal band across the frame at top

Illustration of a double sunrise on twin worlds
Artists concept of twin worlds, but in different dimensions. These worlds orbit in opposite directions, and once every year the two worlds seem to touch, resulting in a double sunrise

Hudson Bay sea ice on November 14, 2005

Plan of garden with nine parterres, Daniel Marot I, print maker: Anonymous, after 1703 - before 1800

WORLD WAR I: MACHINE GUN. French machine gun with a semi-circular loading device during World War I. Photograph, 1914-1918

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"Captivating Celestial Display: A Semicircle of Wonders" Witnessing the mesmerizing beauty of a semicircle, our gaze is drawn to the heavens above. From the summit of Gila National Wilderness, we are treated to an ethereal spectacle as celestial objects adorn the night sky. The Milky Way stretches across like a cosmic river, while zodiacal light adds its mystical glow. Intriguingly juxtaposed against this celestial backdrop is "Space Force Construction - Peinture de Lyubov Sergeyevna Popova. " This artwork by Popova, with its geometric shapes and vibrant colors, seems to echo the harmonious curves found in nature's own semicircles. As we shift our focus from the skies to earthly delights, we find ourselves gazing over the terrace at Hilles. Through a black and white photograph capturing timeless elegance, Country Houses of the Cotswolds reveals how even man-made structures can embrace graceful arcs. Delving further into history's embrace of curved forms, Flint tools from Gjera transport us back to early Bronze Age craftsmanship. These ancient artifacts bear witness to humanity's ingenuity in utilizing natural materials within circular designs. Nature itself showcases its artistic prowess through rainbows that grace our world with their ephemeral charm. Whether seen over a beach adorned with lifejackets and boats or spanning majestic mountains like Hohes Goell and Schneibstein near Nipton Road or even illuminating St. John the Baptist in radiant hues – rainbows never fail to inspire awe. The allure of circles extends beyond mere visual delight; it permeates various art forms throughout time. Robert Delaunay's "Formes circulaires, lune no 1" captures this fascination on canvas as he explores abstraction through circular motifs. Even architectural marvels have succumbed to circles' enchantment.