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1 giorno fa · Slash star classifications are used when the H β line has a P Cygni profile; this is an absorption line in O supergiants and an emission line in WN stars. Criteria for the following slash star spectral types are given, using the nitrogen emission lines at 463.4–464.1 nm, 405.8 nm, and 460.3–462.0 nm, together with a standard star for each type: [36]
1 giorno fa · Etymology. The word "star" ultimately derives from the Proto-Indo-European root "h₂stḗr" also meaning star, but further analyzable as h₂eh₁s- ("to burn", also the source of the word "ash") + -tēr (agentive suffix). Compare Latin stella, Greek aster, German Stern.
1 giorno fa · In the early 1990s, Star Wars saw a resurgence in popularity in the wake of Dark Horse's comic line and Timothy Zahn's trilogy of novels. Lucas saw that there was still a large audience for his idea of a prequel trilogy, and with the development of special effects generated with computer-generated imagery (CGI), Lucas considered returning to his saga and directing the film. [36]
1 giorno fa · Sirius is the brightest star in the night sky. Its name is derived from the Greek word Σείριος (Latin script: Seirios ), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa. With a visual apparent magnitude of −1.46, Sirius is almost twice ...
1 giorno fa · The White Star Line's Olympic-class vessels were almost 100 ft (30 m) longer and slightly wider than Lusitania and Mauretania. This made the White Star vessels about 15,000 tons larger than the Cunard vessels.
4 giorni fa · Betty White. Betty Marion Ludden ( née White; January 17, 1922 – December 31, 2021) was an American actress and comedian. [1] [2] A pioneer of early television with a career spanning almost seven decades, she was noted for her vast number of television appearances acting in sitcoms, sketch comedy, and game shows.
