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  2. Air mass (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Air_mass_(astronomy)

    The air mass then is simply the secant of the zenith angle : =. At a zenith angle of 60°, the air mass is approximately 2. However, because the Earth is not flat, this formula is only usable for zenith angles up to about 60° to 75°, depending on accuracy requirements.

  3. Children's programming on the American Broadcasting Company

    en.wikipedia.org/wiki/Children's_programming_on...

    This scheduling is used only in the event of Saturday afternoon sports telecasts broadcast by ABC – which due to the time difference between the Hawaii–Aleutian Time Zone and the United States mainland, may air live as early as five hours behind the game's airtime in the Eastern Time Zone, or six hours during Daylight Saving Time (as Hawaii ...

  4. Children's programming on ABC Television - Wikipedia

    en.wikipedia.org/wiki/Children's_programming_on...

    However, during pre-schoolers' programming, the ABC network identities were replaced with more child-friendly animations, displaying a new "ABC For Kids" identity. [citation needed] On 4 December 2009, the children's programming block on ABC2 was rebranded "ABC For Kids on 2" with new identities, schedule and watermark.

  5. Air mass - Wikipedia

    en.wikipedia.org/wiki/Air_mass

    Continental and superior air masses are dry, while maritime and monsoon air masses are moist. Weather fronts separate air masses with different density (temperature or moisture) characteristics. Once an air mass moves away from its source region, underlying vegetation and water bodies can quickly modify its character. Classification schemes ...

  6. Air mass (solar energy) - Wikipedia

    en.wikipedia.org/wiki/Air_mass_(solar_energy)

    The air mass coefficient defines the direct optical path length through the Earth's atmosphere, expressed as a ratio relative to the path length vertically upwards, i.e. at the zenith. The air mass coefficient can be used to help characterize the solar spectrum after solar radiation has traveled through the atmosphere.

  7. ABC Kids (TV programming block) - Wikipedia

    en.wikipedia.org/wiki/ABC_Kids_(TV_programming...

    Disney's One Saturday Morning logo used from 1997 to 2002. After The Walt Disney Company purchased ABC corporate parent Capital Cities/ABC Inc. in 1995, the network's children's program block ABC Saturday Morning, aired such Disney-produced series as The Mighty Ducks, Jungle Cubs and Gargoyles; it was one of two networks at the time that prominently carried Disney programming on Saturday ...

  8. YouTube Kids - Wikipedia

    en.wikipedia.org/wiki/YouTube_Kids

    YouTube Kids has faced criticism from advocacy groups, particularly the Fairplay Organization, for concerns surrounding the app's use of commercial advertising, as well as algorithmic suggestions of videos that may be inappropriate for the app's target audience, as the app has been associated with a controversy surrounding disturbing or violent ...

  9. ABC Kids (Australia) - Wikipedia

    en.wikipedia.org/wiki/ABC_Kids_(Australia)

    ABC for Kids on 2 rebranded as ABC 4 Kids and was refocused as a part-time channel for preschoolers sharing the same bandwidth of ABC2 between 6am and 7pm. A new logo based on the ABC3 logo was also introduced. [9] In early 2014 all children's programming was removed from the main ABC channel and was divided between ABC 4 Kids and ABC3. [10]