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Angular size facts for kids

Kids Encyclopedia Facts

Angular size is a measurement of how large or small something is using rotational measurement. It is useful for measuring things that are so far away that they appear two dimensional.

Images for kids

  • Angular dia formula

    Diagram for the formula of the angular diameter

  • Estimating angular size with hand

    Approximate angles of 10°, 20°, 5°, and 1° for the hand outstretched arm's length.

  • Angular diameter

    Angular diameter: the angle subtended by an object

  • Jupiter.mit.Io.Ganymed.Europa.Calisto.Vollmond.10.4.2017

    This photo compares the apparent sizes of Jupiter and its four Galilean moons (Callisto at maximum elongation) with the apparent diameter of the full Moon during their conjunction on 10 April 2017.

See also

Kids robot.svg In Spanish: Diámetro angular para niños

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Angular size Facts for Kids. Kiddle Encyclopedia.