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Thirty Meter Telescope. The Thirty Meter Telescope (TMT) is a planned extremely large telescope (ELT) [5][6][7] proposed to be built on Mauna Kea, on the island of Hawai'i. The TMT would become the largest visible-light telescope on Mauna Kea. [8][9] Scientists have been considering ELTs since the mid 1980s. In 2000, astronomers considered the ...
Square metre. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m2. [1] It is the area of a square with sides one metre in length. Adding and subtracting SI prefixes creates multiples ...
The Sukhoi Su-30 (Russian: Сухой Су-30; NATO reporting name: Flanker-C/G/H) is a twin-engine, two-seat supermaneuverable fighter aircraft developed in the Soviet Union by Russia's Sukhoi Aviation Corporation. It is a multirole fighter for all-weather, air-to-air interdiction missions. The Russian Aerospace Forces (VKS) were reported to ...
The Thirty Meter Telescope (TMT) protests are a series of protests and demonstrations that began on the Island of Hawaii over the choosing of Mauna Kea for the site location of the Thirty Meter Telescope. Mauna Kea is the most sacred dormant volcano of Native Hawaiian religion and culture, and was known to natives as the home to Wākea, the sky ...
Sam McDonald (1762 – 6 May 1802), called "Big Sam", was a Scotsman of unusual height for his day who had a distinguished military career and was a noted "strongman". Most sources state his height as 6 feet 10 inches (2.08 m), [ 193 ] with a burly build, although one 1822 source claims 10 feet 4 inches (3.15 m).
The longest wooden ship ever built, the six-masted New England gaff schooner Wyoming, had a "total length" of 137 metres (449 ft) (measured from tip of jibboom (30 metres) to tip of spanker boom (27 metres) and a "length on deck" of 107 m (351 ft). The 30 m (98 ft)-difference is due to her extremely long jibboom of 30 m (98 ft) her out-board ...
A megatsunami is a tsunami with an initial wave amplitude (height) measured in many tens or hundreds of metres. The term "megatsunami" has been defined by media and has no precise definition, although it is commonly taken to refer to tsunamis over 100 metres (330 ft) high. [2]
The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. [ 1 ] The Burj Khalifa has been classified as megatall. [ 2 ] A diagram showing the tallest buildings as of 2024. This is a list of the tallest buildings.