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2024年5月31日 · At the Cerro Paranal Observatory, a laser beam is used to create an artificial star to tune the Very Large Telescope (VLT). The search for exoplanets on which extraterrestrial civilizations could be found is one of the many missions of the VLT. The Kardashev scale (Russian: Шкала Кардашёва, romanized: Shkalá Kardashova) is a method of measuring a civilization's level of ...
23 小時前 · 160 km (max) The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system. The AN/MPQ-53 at the heart of the system is known as the ...
- 410 mm (16 in)
- 907.2 kg (2,000 lb)
- 5.3 m (17 ft 5 in)
- 870 mm (34 in)
2 天前 · Maria Salomea Skłodowska-Curie [a] ( Polish: [ˈmarja salɔˈmɛa skwɔˈdɔfska kʲiˈri] ⓘ; née Skłodowska; 7 November 1867 – 4 July 1934), known simply as Marie Curie ( / ˈkjʊəri / KURE-ee, [1] French: [maʁi kyʁi] ), was a Polish and naturalised -French physicist and chemist who conducted pioneering research on radioactivity.
1 天前 · Sir Ridley Scott GBE (born 30 November 1937) is an English filmmaker. He is best known for directing films in the science fiction, crime and historical drama genres. His work is known for its atmospheric and highly concentrated visual style.
1 天前 · Serena Jameka Williams (born September 26, 1981)[1] is an American former professional tennis player. Widely regarded as one of the greatest tennis players of all time,[a] she was ranked world No.1 in singles by the Women's Tennis Association (WTA) for 319 weeks, including a joint-record 186 consecutive weeks, and finished as the year-end No.1 ...
23 小時前 · Jonathan Clay " JJ " Redick ( / ˈrɛdɪk / RED-ik) (born June 24, 1984) is an American former professional basketball player, podcaster and sports analyst for ESPN. He was selected 11th overall by the Orlando Magic in the 2006 NBA draft. He played college basketball for the Duke Blue Devils .
2 天前 · Maya Angelou ( / ˈændʒəloʊ / ⓘ AN-jə-loh; [1] [2] born Marguerite Annie Johnson; April 4, 1928 – May 28, 2014) was an American memoirist, poet, and civil rights activist. She published seven autobiographies, three books of essays, several books of poetry, and is credited with a list of plays, movies, and television shows spanning over 50 years.
