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  2. 100 km: 100 km The distance the IAU considers to be the limit to space, called the Karman line: 163 km Length of the Suez Canal, connecting the Mediterranean Sea to the Red Sea: 491 km Length of the Pyrenees, the mountain range separating Spain and France: 600km Thermosphere height 974.6 km Greatest diameter of the dwarf planet Ceres. [36] 10 6

  3. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    Energy efficiency in transport can be measured in L/100 km or miles per gallon (mpg). This can be normalized per vehicle, as in fuel economy in automobiles, or per seat, as for example in fuel economy in aircraft.

  4. List of BMP-1 variants - Wikipedia

    en.wikipedia.org/wiki/List_of_BMP-1_variants

    BMP-1M (Object 765UTB) – Evolved from the BMP-1U; unveiled in 2011. The main difference is the application of the improved KBA-105TB Shkval -A RWS in which the Konkurs ATGM launchers were replaced with the long range Ukrainian Barrier ATGM (effective range up to 5,000 m compared to 2,000 m for the Konkurs) and uses a new Tandem-2 sighting ...

  5. Kilometre - Wikipedia

    en.wikipedia.org/wiki/Kilometre

    There are two common pronunciations for the word. [1]/ ˈ k ɪ l ə m iː t ər,-l oʊ-/ / k ɪ ˈ l ɒ m ɪ t ər / The first pronunciation follows a pattern in English whereby SI units are pronounced with the stress on the first syllable (as in kilogram, kilojoule and kilohertz) and the pronunciation of the actual base unit does not change irrespective of the prefix (as in centimetre ...

  6. Square kilometre - Wikipedia

    en.wikipedia.org/wiki/Square_kilometre

    The square kilometre (square kilometer in American spelling; symbol: km 2) is a multiple of the square metre, the SI unit of area or surface area.In the SI unit of area (m 2), 1 km 2 is equal to 1M(m 2).

  7. Template:Convert/list of units/length - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of...

    Length; system unit code (other) symbol or abbrev. notes conversion factor/m combinations SI: gigametre: Gm Gm US spelling: gigameter 1.0 Gm (620,000 mi) megametre: Mm Mm US spelling: megameter

  8. List of world records in athletics - Wikipedia

    en.wikipedia.org/wiki/List_of_world_records_in...

    The criteria which must be satisfied for ratification of a world record are defined by World Athletics in Part III of the Competition Rules. [1] These criteria also apply to national or other restricted records and also to performances submitted as qualifying marks for eligibility to compete in major events such as the Olympic Games.

  9. Metre - Wikipedia

    en.wikipedia.org/wiki/Metre

    The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of ⁠ 1 / 299 792 458 ⁠ of a second, where the second is defined by a hyperfine transition frequency of caesium.