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15 godz. temu · Venus is the second planet from the Sun.It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth.Venus is notable for having the densest atmosphere of the terrestrial planets, composed mostly of carbon dioxide with a thick, global sulfuric acid cloud cover. At the surface it has a mean temperature of 737 K (464 °C; 867 °F) and a pressure of 92 times that ...
15 godz. temu · Impact event. Damage to trees caused by the Tunguska event. The object, just 50–80 metres (150–240 feet) across, exploded 6–10 km (4–6 miles) above the surface, shattering windows hundreds of km away. An impact event is a collision between astronomical objects causing measurable effects. [1]
15 godz. temu · Operation Barbarossa (German: Unternehmen Barbarossa; Russian: Операция Барбаросса, romanized: Operatsiya Barbarossa) was the invasion of the Soviet Union by Nazi Germany and many of its Axis allies, starting on Sunday, 22 June 1941, during the Second World War.It was the largest and costliest land offensive in human history, with around 10 million combatants taking part, and ...
15 godz. temu · Alaska (/ ə ˈ l æ s k ə / ⓘ ə-LASS-kə) is a non-contiguous U.S. state on the northwest extremity of North America.It is in the Western United States region. To the east, it borders Canada (the Yukon territory and the province of British Columbia).It shares a western maritime border, in the Bering Strait, with Russia's Chukotka Autonomous Okrug.The Chukchi and Beaufort Seas of the ...
15 godz. temu · Nuclear plant accidents The abandoned city of Pripyat, Ukraine, following the Chernobyl disaster.The Chernobyl nuclear power plant is in the background. The world's first nuclear reactor meltdown was the NRX reactor at Chalk River Laboratories, Ontario, Canada in 1952.. The worst nuclear accident to date is the Chernobyl disaster which occurred in 1986 in the Ukrainian SSR, now Ukraine.
15 godz. 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 centers with over a million ...
15 godz. temu · Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈ eɪ v iː z /), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.Birds live worldwide and range in size from the 5.5 cm (2.2 in) bee hummingbird to the 2.8 m (9 ft 2 in) common ostrich.
