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These illustrations depicted a vast array of European and exotic plants, often accompanied by detailed annotations on plant anatomy, including flowers, leaves, seeds, and fruits at various stages of development. While a few drawings were done in black ink or pencil, most were finely enhanced with watercolor.
Christ at Rest, by Hans Holbein the Younger, 1519, a chiaroscuro drawing using pen, ink, and brush, washes, white heightening, on ochre prepared paper. The term chiaroscuro originated during the Renaissance as drawing on coloured paper, where the artist worked from the paper's base tone toward light using white gouache, and toward dark using ink, bodycolour or watercolour.
It is shown that red and white flowers pollinated by bees are of higher spectral purity as compared to bird-pollinated ones and are therefore easier to detect for bees. [8] Bees have trichromatic vision with maxima of peak sensitivities in UV (344 nm), blue (436 nm) and green (544 nm). [ 10 ]
Trouvelot, The great nebula in Orion (1875).. Astronomical art is a genre of space art that focuses on visual representations of outer space.It encompasses various themes, including the space environment as a new frontier for humanity, depictions of alien worlds, representations of extreme phenomena like black holes, and artistic concepts inspired by astronomy.
O'Keeffe experimented with depicting flowers in her high school art class. Her teacher explained how important it was to examine the flower before drawing it. So, O'Keeffe held it in different ways, capturing different perspectives of the flowers, and also created studies of only a portion of the flower.
List of drawings by Vincent van Gogh is an incomplete collection of drawings by the Dutch artist Vincent van Gogh (1853–1890) that form an important part of his complete body of work. The listing is ordered by year and then by catalogue number. While more accurate dating of Van Gogh's work is often difficult.
The illustration refers to the text on the facing page (p. 162), which also clarifies the author's intent in using it as an illustration: Whether the sky be clear or cloudy, it always seems to us to have the shape of an elliptic arch; far from having the form of a circular arch, it always seems flattened and depressed above our heads, and ...
Unable to pay for models to pose for portraits, Van Gogh threw himself heartily into painting still lifes of flowers, "red poppies, blue corn flowers and myosotis, white and red roses, yellow chrysanthemums." [45] Bowl with Sunflowers, Roses and Other Flowers, 1886, Kunsthalle Mannheim, Mannheim, Germany (F250)