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The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...
The spectacle is the inverted image of society in which relations between commodities have supplanted relations between people, in which "passive identification with the spectacle supplants genuine activity". "The spectacle is not a collection of images," Debord writes, "rather, it is a social relation among people, mediated by images."
Leonids. The Leonids ( / ˈliːənɪdz / LEE-ə-nidz) are a prolific annual meteor shower associated with the comet Tempel–Tuttle, and are also known for their spectacular meteor storms that occur about every 33 years. [5] The Leonids get their name from the location of their radiant in the constellation Leo: the meteors appear to radiate ...
Up and down the country, people have welcomed the festive season by switching on their Christmas lights.
Thomas Edison. Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. [1] [2] [3] He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. [4]
A team of researchers aiming to solve the enigma gathered a wealth of data, analyzing historical drawings and images that depict the spot’s structure, location and size over time.
National Science Week. National Science Day is celebrated in India on February 28 each year to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928. For his discovery, Sir C.V. Raman was awarded the Nobel Prize in Physics in 1930.
However, it emerged today that Microsoft has dropped its observer role with immediate effect, and Apple won’t take one either. Microsoft reportedly told OpenAI in a letter that its seven months ...