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  2. Tree height measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_height_measurement

    It was 7 feet [2.1 m] through 10 feet [3.0 m] from the stump, and 5 feet [1.5 m] through 50 feet [15 m] from the stump. Twenty-two logs were taken from the tree, the average length of which were 12 feet [3.7 m]. Fourteen feet [4.3 m] of the tree were spoiled in falling.

  3. Low Earth orbit - Wikipedia

    en.wikipedia.org/wiki/Low_Earth_orbit

    A wide variety of sources [5] [6] [7] define LEO in terms of altitude.The altitude of an object in an elliptic orbit can vary significantly along the orbit. Even for circular orbits, the altitude above ground can vary by as much as 30 km (19 mi) (especially for polar orbits) due to the oblateness of Earth's spheroid figure and local topography.

  4. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.75 m – (5 feet 8 inches) – height of average U.S. male human as of 2002 (source: U.S. CDC as per female above) 2.4 m – wingspan of a mute swan; 2.5 mheight of a sunflower; 2.7 m – length of a leatherback sea turtle, the largest living turtle; 2.72 m – (8 feet 11 inches) – tallest-known human (Robert Wadlow) [31]

  5. Height - Wikipedia

    en.wikipedia.org/wiki/Height

    Height is measure of vertical distance, either vertical extent (how "tall" something or someone is) or vertical position (how "high" a point is). For an example of vertical extent, "This basketball player is 7 foot 1 inches in height." For an example of vertical position, "The height of an airplane in-flight is about 10,000 meters."

  6. Horizon - Wikipedia

    en.wikipedia.org/wiki/Horizon

    For example, for an observer B with a height of h B =1.70 m standing on the ground, the horizon is D B =4.65 km away. For a tower with a height of h L =100 m, the horizon distance is D L =35.7 km. Thus an observer on a beach can see the top of the tower as long as it is not more than D BL =40.35 km away. Conversely, if an observer on a boat (h ...

  7. Robert Wadlow - Wikipedia

    en.wikipedia.org/wiki/Robert_Wadlow

    At 5 years of age, attending kindergarten, Wadlow was 5 ft 6 + 1 ⁄ 2 in (1.69 m) tall. He wore clothes that would fit a 17-year-old boy. 15-year-old 1923 6 years 5 ft 7 in (1.70 m) 146 lb (66 kg) Height of average adult male (global average). 1924 7 years 5 ft 10 in (1.78 m) 159 lb (72 kg) Height of average adult male in the United States ...

  8. I’m 6 feet tall in a family of little people — here’s what it ...

    www.aol.com/news/m-6-feet-tall-family-223644774.html

    At more than 6 feet tall, Peet Montzingo is slightly above average height, but in a family of little people he sticks out. Literally. “Peet as a little boy would say to me, ‘Mom, I wish I was ...

  9. List of superlative trees - Wikipedia

    en.wikipedia.org/wiki/List_of_superlative_trees

    [53] [54] Breast height is defined differently in different situations, with most forestry measurements taking girth at 1.3 m above ground, [54] while those who measure ornamental trees usually measure at 1.5 m above ground; [53] in most cases this makes little difference to the measured girth.