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1 dzień temu · Composite satellite image of Antarctica ... is the highest Antarctic ice feature, at 4,091 metres (13,422 ft). It is one of the world's coldest and driest places—temperatures there may reach as low as −90 °C (−130 °F), and the annual precipitation is 1–3 cm (0.39–1.18 in). ... The Drake Passage opened between Antarctica and South ...
3 godz. temu · The low corona, near the surface of the Sun, has a particle density around 10 15 m −3 to 10 16 m −3. [84] [e] The average temperature of the corona and solar wind is about 1,000,000–2,000,000 K; however, in the hottest regions it is 8,000,000–20,000,000 K. [85] Although no complete theory yet exists to account for the temperature of the ...
3 godz. temu · WestJet Airlines, founded in 1994 and headquartered in Calgary, Alberta, is the second-largest airline in Canada. It began operations in 1996 with 220 employees, three aircraft, and five destinations. It was launched as a low-cost alternative to the country's major airlines. Today, WestJet operates scheduled, charter, and cargo air service, transporting more than 25 million passengers per year.
1 dzień temu · Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. As a 2015 article put it, "If life is so easy, someone from somewhere must have come calling by now." Italian-American physicist Enrico Fermi's name is associated with the paradox because of a casual ...
1 dzień temu · The Rashidun Caliphate (Arabic: ٱلْخِلَافَةُ ٱلرَّاشِدَةُ, romanized: al-Khilāfah ar-Rāšidah) was the first caliphate to succeed the Islamic prophet Muhammad.It was ruled by the first four successive caliphs of Muhammad after his death in 632 CE. During its existence, the empire was the most powerful economic, cultural, and military force in West Asia and Northeast ...
1 dzień temu · Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia.It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. It is the world's ninth-most populous country and Europe's most populous country.Russia is a highly urbanized country including 16 population centres with over a million ...
1 dzień temu · The Khazars (/ ˈ x ɑː z ɑːr z /) were a nomadic Turkic people that, in the late 6th-century CE, established a major commercial empire covering the southeastern section of modern European Russia, southern Ukraine, Crimea, and Kazakhstan. They created what for its duration was the most powerful polity to emerge from the break-up of the Western Turkic Khaganate.
