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  2. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    This article gives a list of conversion factors for several ... ≈ 1.0021 × 10 −13 m [4] yard ... by an arc whose length is equal to the circle's radius.

  3. Uranus - Wikipedia

    en.wikipedia.org/wiki/Uranus

    [17] [84] The core is relatively small, with a mass of only 0.55 Earth masses and a radius less than 20% of the planet; the mantle comprises its bulk, with around 13.4 Earth masses, and the upper atmosphere is relatively insubstantial, weighing about 0.5 Earth masses and extending for the last 20% of Uranus's radius. [17] [84] Uranus's core ...

  4. Outline of Uranus - Wikipedia

    en.wikipedia.org/wiki/Outline_of_Uranus

    Uranus – seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn.

  5. Orders of magnitude (length) - Wikipedia

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

    20 meters – length of cricket pitch (22 yards) [126] 27.43 meters – distance between bases on a baseball field (90 feet) 28 meters – length of a standard FIBA basketball court; 28.65 meters – length of an NBA basketball court (94 feet) 49 meters – width of an American football field (53 1 ⁄ 3 yards)

  6. Help:Convert units - Wikipedia

    en.wikipedia.org/wiki/Help:Convert_units

    Factor or; yotta Y 10 24: 1 000 000 000 000 000 ... square yards, and hectares. {{convert|1 ... Conversion of the Mach unit of speed depends on the altitude at which ...

  7. Natural units - Wikipedia

    en.wikipedia.org/wiki/Natural_units

    In physics, natural unit systems are measurement systems for which selected physical constants have been set to 1 through nondimensionalization of physical units.For example, the speed of light c may be set to 1, and it may then be omitted, equating mass and energy directly E = m rather than using c as a conversion factor in the typical mass–energy equivalence equation E = mc 2.

  8. Astronomical unit - Wikipedia

    en.wikipedia.org/wiki/Astronomical_unit

    Solar radius: 0.005 — Radius of the Sun (695 500 km, 432 450 mi, a hundred times the radius of Earth or ten times the average radius of Jupiter) — Light-minute: 0.12 — Distance light travels in one minute — Mercury: 0.39 — Average distance from the Sun — Venus: 0.72 — Average distance from the Sun — Earth: 1.00 —

  9. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.