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  2. Artwork at the World Trade Center (1973–2001) - Wikipedia

    en.wikipedia.org/wiki/Artwork_at_the_World_Trade...

    The largest work the sculptor had created to date, [15] the wall piece was 32 feet wide, 17 feet tall and a foot thick [15] — and comprised more than 35 segments, each a dark painted wood relief. Completed in 1977 or 1978 (reported variously), Sky Gate' was dedicated at the mezzanine of One World Trade Center on December 12, 1978, overlooking ...

  3. List of tallest structures in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures...

    2,060 feet (627.9 m) Skyscraper: One World Trade Center: New York City: 1,776 feet (541.3 m) Guyed mast insulated against ground: VLF transmitter Lualualei: Lualualei, HI: 1,503 feet (458.1 m) Chimney: Homer City Generating Station: Homer City, Pennsylvania: 1,217 feet (370.9 m) Concrete tower: Stratosphere Tower: Las Vegas: 1,149 feet (350.2 m)

  4. International Space Station - Wikipedia

    en.wikipedia.org/wiki/International_Space_Station

    This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. Inhabited space station in low Earth orbit (1998–present) "ISS" redirects here. For other uses, see ISS (disambiguation). International Space Station (ISS) Oblique underside view in November 2021 International Space Station programme emblem with flags of the original signatory states ...

  5. Space Shuttle Columbia disaster - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Columbia...

    At T+81.9 seconds, the foam struck the reinforced carbon–carbon (RCC) panels on Columbia ' s left wing at relative velocity of 625 to 840 feet per second (426 to 573 mph; 686 to 922 km/h). [ 5 ] : 34 The foam's low ballistic coefficient caused it to lose speed immediately after separating from the ET, and the orbiter ran into the slower foam.

  6. AIM-9 Sidewinder - Wikipedia

    en.wikipedia.org/wiki/AIM-9_Sidewinder

    K-13/R-3 (Object 300) (AA-2 Atoll): It was the standard variant and entered limited service only two years later in 1960. K-13A/R-3S (Object 310) (AA-2A Atoll): This entered service in 1962. The R-3S was the first version to enter widespread production, in spite of a very long seeker settling time around 22 seconds, as opposed to 11 seconds for ...

  7. Puebla Cathedral - Wikipedia

    en.wikipedia.org/wiki/Puebla_Cathedral

    The building should be centered longitudinally on the large block that was assigned to it, loaded towards the east with an atrium in front that would have that of a cemetery among its functions, the latter over time would be the object of several construction projects to close it and encompass in front of the feet of the temple the cathedral ...

  8. Theatre of Dionysus - Wikipedia

    en.wikipedia.org/wiki/Theatre_of_Dionysus

    Inscribed blocks, displaced but preserved in the retaining walls, with fifth-century BC epigraphy on them might indicate dedicated or numbered stone seats. [23] The use of breccia in the foundations of the west wall and the long hall gives a terminus ante quem of the early fifth century BC, and a likely date of the last half of that century ...

  9. List of Greek inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_inventions...

    The street is 5 meters wide. At its steepest, it has an inclination of 18%. It is paved with limestone blocks, grinders cut in square blocks, and on one side a small gutter for the drainage of rain water. The building is dated during the time of the reorganization of the city during Hellenistic age. Syringe: First mentioned by Greek and Roman ...