Penumbra Collection

Diagram showing the formation of a sun-spot (litho)
6004833 Diagram showing the formation of a sun-spot (litho) by English School, (20th century); Private Collection; (add.info.: Diagram showing the formation of a sun-spot)

Drawings Prints, Print, Birth, Christ, held, Virgin, penumbra, light, adoring angels
Drawings and Prints, Print, The Birth of Christ, who is held by the Virgin against a penumbra of light, adoring angels, and Joseph leading a donkey at left, Artist, After

Illustration of the city lights on a dark Earth during a solar eclipse
The perspective in this image is looking down on the Indian Ocean from an altitude of 25, 000 miles. On the Earths night side artificial lights clearly define the Mediterranean Sea, Red Sea

A diagram illustrating how eclipses are created

A solar eclipses partially shades the Earth below while the emerging sun lights the remainder of the planet

Astronomy Diagrams C017 / 3530
Plate from 18th century encyclopedia showing illustrations of eliptical planetary motion, precession, atmospheric refraction, retrogradation, etc

Solar eclipse geometry, artwork. Solar eclipses occur when the Moon passes across the Sun as seen from the Earth. The Moons shadow consists of a dark central umbra surrounded by the lighter penumbra

Sunspots. Swedish One-metre Solar Telescope image of sunspots on the surface of the Sun. Sunspots are cooler regions of the Suns surface that appear dark against their brighter, hotter surroundings

Lunar eclipse
Total lunar eclipse. Montage of 24 exposures taken during the total lunar eclipse of 21st January 2000. A total lunar eclipse occurs when the Moon passes into the shadow cast into space by the Earth

Lunar eclipse, artwork
Lunar eclipse, computer artwork. Lunar eclipses occur when the Moon passes into the shadow of the Earth

Partial solar eclipse, August 2008
Partial solar eclipse. Clouds drifting across the Sun during a partial solar eclipse, as seen from Moscow, Russia, on 1 August 2008

Solar eclipse geometry, artwork
Solar eclipse geometry, computer artwork. Solar eclipses occur when the Moon passes across the Sun as seen from the Earth

Partial solar eclipse, January 2011
In the morning of Jan 4th, 2011 the sun rised partial eclipsed. The maximum for Duisburg Germany was 70% coverage at 9.15 AM (8.15 GMT)

Partial solar eclipse, seen through clouds. Solar eclipses occur when the Moon (dark area on left edge of Sun) passes across the Sun as seen from the Earth

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In the vast cosmic ballet, a penumbra emerges, casting its enigmatic shadow upon our world. In January 2011, as the sun and moon aligned in celestial harmony, a partial solar eclipse graced the heavens. The diagram depicting this awe-inspiring event showcased the intricate formation of sunspots, like ink blots on a lithographic canvas. But penumbra's allure extends beyond astronomical phenomena. Drawings and prints from centuries past capture moments of divine significance - the birth of Christ held by the Virgin Mary, bathed in penumbral light while adoring angels surround them with celestial grace. Not limited to solar eclipses alone, lunar eclipses also reveal their captivating beauty. As darkness descends upon Earth's surface during these rare occurrences, city lights twinkle against an obsidian backdrop - an illustration reminiscent of dreams woven into reality. The crescent moon adorned with earthshine reminds us that even in darkness there is radiance; a delicate balance between light and shadow. A diagram elucidates how these mesmerizing eclipses come to be - a dance between heavenly bodies that captivates both astronomers and dreamers alike. As we gaze upwards during a solar eclipse, we witness how it partially shades our planet below; an ethereal spectacle that connects us to realms beyond our own understanding. Astronomy diagrams further unravel this cosmic tapestry for those who dare to explore its mysteries. And let us not forget about sunspots - those intriguing blemishes on our radiant star's surface. They remind us that even within brilliance lies imperfection; tiny windows into the ever-changing nature of our universe. Penumbra: where science meets artistry; where shadows intertwine with light. It beckons us to look up at the sky and ponder our place amidst this grand symphony of celestial wonders.