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  2. Chernobyl exclusion zone - Wikipedia

    en.wikipedia.org/wiki/Chernobyl_exclusion_zone

    The current area of approximately 2,600 km 2 (1,000 sq mi) [8] in Ukraine is where radioactive contamination is the highest, and public access and habitation are accordingly restricted. Other areas of compulsory resettlement and voluntary relocation not part of the restricted exclusion zone exist in the surrounding areas and throughout Ukraine ...

  3. Zone Usage Measurement - Wikipedia

    en.wikipedia.org/wiki/Zone_Usage_Measurement

    Usually the local calling area includes a 13-mile (21 km) radius from the point of origination. The ZUM zone beyond that is divided into ZUM1 (12-13 mile radius), ZUM2 (14-15 mile (24 km) radius), and ZUM3 (15-16 mile (26 km) radius). Beyond the ZUM zone calls are considered intra-LATA or inter-LATA. [1]

  4. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  5. United States National Radio Quiet Zone - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    The most severe restrictions to the general public are imposed within a 20-mile (32 km) radius of the Green Bank Observatory. [5] The Observatory polices the area actively for devices emitting excessive electromagnetic radiation such as microwave ovens, Wi-Fi access points, and faulty electrical equipment and asks people to stop using such ...

  6. Washington, D.C., Special Flight Rules Area - Wikipedia

    en.wikipedia.org/wiki/Washington,_D.C.,_Special...

    [15] Effective February 9, 2009, any pilots flying VFR within a 60-nautical-mile (110 km) radius centered on the ADIZ are required to complete training about the ADIZ. This training can be completed online through a course called "Navigating the New DC ADIZ" (now "DC Special Flight Rules Area"). [ 16 ]

  7. Studio zone - Wikipedia

    en.wikipedia.org/wiki/Studio_zone

    The studio zone was formally first established in 1934, originally defined as a 6-mile (9.7 km) radius from Rossmore Avenue and 5th Street. By 1970, the center of the zone became Beverly and La Cienega boulevards in the Beverly Grove, Los Angeles neighborhood, the then-headquarters of the Association of Motion Picture and Television Producers ...

  8. Earth's circumference - Wikipedia

    en.wikipedia.org/wiki/Earth's_circumference

    Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).

  9. 15K run - Wikipedia

    en.wikipedia.org/wiki/15K_run

    The 15K run (15 kilometers, or approximately 9.32 miles) is a long-distance foot race.It is a rarely held race that is not recognized as an Olympic event. The overall world best time for men was set by Jacob Kiplimo in 2025, en route to his world record of 56:42 in the Barcelona Half Marathon.