Contributor Posts

Construction of the Golden Horn Metro Bridge in Istanbul. The bridge opened on this date in 2014.

Arild Vågen, CC BY-SA 3.0, via Wikimedia Commons. View source.

Amedeo Clemente Modigliani (1884 – 1920)  Italian painter and sculptor known for portraits and nudes in a modern style characterized by a surreal elongation of faces, necks, and figures that were not received well during his lifetime, but later became much sought-after. Modigliani spent his youth in Italy, and moved to Paris in 1906, where he came into contact with such artists as Pablo Picasso and Constantin Brâncuși. More

"Much like love itself, St. Valentine and his reputation as the patron saint of love are not matters of verifiable history, but of faith". Read more

NASA Astronomy Picture of the Day:

The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas and dust to evoke the imagery of flowers, but it is probably the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 light years away, the petals of this cosmic rose are actually a stellar nursery. The lovely, symmetric shape is sculpted by the winds and radiation from its central cluster of hot young, O-type stars. Stars in the energetic cluster, cataloged as NGC 2244, are only a few million years young, while the central cavity in the Rosette Nebula, is about 50 light-years in diameter. The nebula can be seen with a small telescope toward the constellation of Monoceros, the Unicorn. This natural appearing telescopic portrait of the Rosette Nebula was made using broadband color filters, but sometimes roses aren't red.

Photo by Harry Karamitsos

The Zanskar Range of the Indian Himalayas towers 2,400 m (8,000 ft) over Padum town in Zanskar, Ladakh. The elevation of Padum is 3,660 m (12,010 ft). The Stod-Doda river flows from the right across the Padum valley, merges into the Tsarap River which flows from centre to left.

This Photo was taken by Timothy A. Gonsalves. Feel free to use my photos, but please mention me as the author. I would much appreciate if you send me an email tagooty@gmail.com or write on my talk page, for my information. Please contact me before commercial use. Please do not upload an edited image here without consulting me. I would like to make corrections only at my own source to ensure that the changes improve the image and are preserved.Otherwise you may upload an edited image with a new name. Please use one of the templates derivative or extract., CC BY-SA 4.0, via Wikimedia Commons. View source.

NASA Astronomy Picture of the Day:

Riding high in the constellation of Auriga, beautiful, blue VdB 31 is the 31st object in Sidney van den Bergh's 1966 catalog of reflection nebulae. It shares this well-composed celestial still life with dark, obscuring clouds B26, B27, and B28, recorded in Edward E. Barnard's 1919 catalog of dark markings in the sky. All are these nebulae are interstellar dust clouds. Barnard's dark nebulae block the light from background stars. For VdB 31 the dust preferentially reflects bluish starlight from embedded, hot, variable star AB Aurigae. Exploring the environs of AB Aurigae with the Hubble Space Telescope has revealed the several million year young star is itself surrounded by a flattened dusty disk with evidence for the ongoing formation of a planetary system. AB Aurigae is about 470 light-years away. At that distance this cosmic canvas would span about eight light-years.

Photo by Roberto Marinoni

Scarlet macaw (Ara macao cyanopterus), Copan Ruinas, Honduras.

Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons. View source.

Turkish Proverb. Also known in other variants.

NASA Astronomy Picture of the Day:

What can a space rock tell us about life on Earth? NASA's OSIRIS-REx spacecraft made a careful approach to the near-Earth asteroid 101955 Bennu in October of 2020 to collect surface samples. In September 2023, the robotic spaceship returned these samples to Earth. A recent analysis has shown, surprisingly, that the samples contained 14 out of the 20 known amino acids that are the essential building blocks of life. The presence of the amino acids re-introduces a big question: Could life have originated in space? However, the protein building blocks themselves held another surprise -- they contained an even mixture of left-handed and right-handed amino acids -- in contrast to our Earth which only has left-handed ones. This raises another big question: Why does life on Earth have only left-handed amino acids? Research on this is sure to continue.