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5 天前 · On January 28, 1986, the Space Shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members aboard. The spacecraft disintegrated 46,000 feet (14 km) above the Atlantic Ocean, off the coast of Cape Canaveral, Florida, at 11:39 a.m. EST (16:39 UTC ). It was the first fatal accident involving an American spacecraft ...
1 天前 · Troy Ancient Greek: Τροία, romanized: Troíā; Latin: Trōia; Hittite: , romanized: Truwiša/Taruiša) or Ilion (Ancient Greek: Ίλιον, romanized: Ī́lion, Hittite: , romanized: Wiluša)[1][2][3][4] was an ancient city located in present-day Hisarlık, Turkey. The place was first settled around 3600 BC and grew into a small fortified ...
2 天前 · The Himalayas, or Himalaya (/ˌhɪməˈleɪ.ə, hɪˈmɑːləjə/ HIM-ə-LAY-ə, hih-MAH-lə-yə) [b] is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the Earth's highest peaks, including the highest, Mount Everest. More than 100 peaks exceeding elevations of 7,200 m ...
3 天前 · ASCII (/ˈæskiː/ ⓘ ASS-kee),[3]: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices. Because of technical limitations of computer systems at the time it was invented ...
2 天前 · according to International Monetary Fund estimates [n 1] [1] Countries by nominal GDP in 2019 [n 2] > $20 trillion. $10–20 trillion. $5–10 trillion. $1–5 trillion. $750 billion – $1 trillion. $500–750 billion. $250–500 billion.
1 天前 · Joseph Rudyard Kipling (/ ˈ r ʌ d j ər d / RUD-yərd; 30 December 1865 – 18 January 1936) was an English novelist, short-story writer, poet, and journalist. He was born in British India, which inspired much of his work.Kipling's works of fiction include the Jungle Book duology (The Jungle Book, 1894; The Second Jungle Book, 1895), Kim (1901), the Just So Stories (1902) and many short ...
23 小時前 · Garry Kimovich Kasparov[a] (born Garik Kimovich Weinstein[b] on 13 April 1963) is a Russian chess grandmaster, former World Chess Champion (1985–2000), political activist and writer. His peak FIDE chess rating of 2851,[2] achieved in 1999, was the highest recorded until being surpassed by Magnus Carlsen in 2013. From 1984 until his ...
