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    Wikipedia
    https://en.wikipedia.org/wiki/Square_kilometre

    Square kilometre - Wikipedia

    The square kilometre (square kilometer in American spelling; symbol: km ) is a multiple of the square metre, the SI unit of area or surface area. 1 km is equal to: 1,000,000 square metres (m )100 hectares (ha) It is also approximately equal to: 0.3861 square miles 247.1 acres Conversely: 1 m = 0.000001 (10 ) km 1 … Afficher plus

    Examples of areas of 1 square kilometre

    Topographical map grids
    Topographical map grids are worked out in metres, with the grid lines being 1,000 metres apart. Afficher plus

    See also

    • Conversion of units
    • SI prefix for the precise meaning of the prefix "k"
    • Square Kilometre Array, a proposed radio telescope Afficher plus

    image Vue d’ensemble
    Texte Wikipédia sous licence CC-BY-SA
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  2. BBC
    https://www.bbc.com/news/science-environment-55933958

    Square Kilometre Array: 'Lift-off' for world's biggest telescope - BBC

    Balises :
    Square Kilometre Array
    Ska Array
    Ska Telescope
    Telescope Array
  3. Wikipédia
    https://fr.wikipedia.org/wiki/Kilomètre_carré

    Kilomètre carré — Wikipédia

  4. SKAO
    https://www.skao.int/en/about-us/91/hist…

    History of the SKA project | SKAO

    Web11 mai 2023 · The SKA project's history can be traced back to the early 1980s, when the first ideas for a next-generation radio astronomy observatory emerged.

    Balises :
    Ska Observatory
    Ska Project
    Ska History
    The Origins of Ska
  5. BBC
    https://www.bbc.co.uk/news/science-env…

    SKA: Construction to begin on world's biggest …

    WebThe Square Kilometre Array (SKA) will be the largest radio telescope in the world when completed in 2028. Split across South Africa and Australia, with a headquarters in the UK, the facility will...

    Balises :
    Square Kilometre Array
    Ska Array
    Ska Telescope
    Telescope Array
  6. Wikipédia
    https://fr.wikipedia.org/wiki/Superficie_de_la_France

    Superficie de la France — Wikipédia

  7. Autres questions posées
    What is a square kilometre?
    The square kilometre ( square kilometer in American spelling; symbol: km2) is a multiple of the square metre, the SI unit of area or surface area . 1 km 2 is equal to: It is also approximately equal to: Conversely: The symbol "km 2 " means (km) 2, square kilometre or kilometre squared and not k (m 2 ), kilo–square metre.

    Square kilometre - Wikipedia

    en.wikipedia.org
    How big is a square kilometre on a map?
    Each square on the map is 4 cm by 4 cm (16 cm 2) and represents 1 km 2 on the surface of the Earth. In each case, the grid lines enclose one square kilometre. Map of Delft, Netherlands, dated 1659. The walls enclosed an area of about 1 square kilometre. The area enclosed by the walls of many European medieval cities were about one square kilometre.

    Square kilometre - Wikipedia

    en.wikipedia.org
    What is a Square Kilometre Array?
    In an international collaboration between 20 countries, the Square Kilometre Array will change the scale and scope of astronomical observations worldwide. The International Union of Radio Science (URSI) created the Large Telescope Working Group in 1993 to establish scientific goals and specifications for an innovative radio observatory.

    The Square Kilometre Array: How the world's biggest telescope will

    newatlas.com
    What is the Square Kilometre Array (SKA)?
    The Square Kilometre Array (SKA) was originally conceived in 1991 with an international working group set up in 1993. This led to the signing of the first Memorandum of Agreement in 2000.

    Square Kilometre Array - Wikipedia

    en.wikipedia.org
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  8. New Atlas
    https://newatlas.com/square-kilometre-array/53498

    The Square Kilometre Array: How the world's biggest telescope …

    Balises :
    Square Kilometre Array
    Ska Array
    Ska Telescope
    Telescope Array