 |
This article needs additional citations for verification. Please help improve this article by adding reliable references. Unsourced material may be challenged and removed. (April 2009) |
To help compare different orders of magnitude this page lists lengths between 10 and 100 kilometres (104 to 105 metres).
Distances shorter than 10 kilometres
Contents |
Conversions
10 kilometres is equal to:
- 10,000 metres
- 6.2 miles
- 1 mil, unit of measure commonly used in Norway[citation needed] and Sweden[1]
- 1 peninkulma, unit of measure commonly used in Finland; earlier peninkulma was 10.688 km[citation needed]
- 1 farsang, unit of measure commonly used in Iran and Turkey[citation needed]
Sports
- 42.195 km[note 1] — length of the Marathon,[2] the longest mainstream long-distance road running event[needs citation]
Human-defined scales and structures
- 18 km — cruising altitude of Concorde
- 27 km — circumference of the Large Hadron Collider, as of 2009[update] the largest and highest energy particle accelerator
- 30 km — length of the longest man made dike enclosed by water on two sides, the Afsluitdijk[citation needed]
- 31.3 km — highest parachute jump (Joseph Kittinger)[citation needed]
- 34.668 km — highest manned balloon flight (Malcolm D. Ross and Victor E. Prather on May 4, 1961) [3]
- 38 km — Length of the world's longest bridge, the Second Lake Pontchartrain Causeway in Louisiana, USA
- 38.422 km — length of the Lake Pontchartrain Causeway, as of June 2006, the longest bridge in the world[needs citation and date(s) when true]
- 39 km — undersea portion of the Channel tunnel
- 53.9 km — length of the Seikan Tunnel, as of February 2006[update], the longest in the world[needs citation]
- 77.1 km — total length of the Panama Canal[citation needed]
Natural lengths on Earth
- 10 km — Height of Mauna Kea in Hawaii, measured from its base on the ocean floor
- 11 km — deepest known point of the ocean, Challenger Deep in the Mariana Trench
- 11 km — average height of the troposphere
- 21 km — length of Manhattan
- 23 km — depth of the largest earthquake ever recorded in the United Kingdom, in 1931 at the Dogger Bank of the North Sea
- 34 km — narrowest width of the English Channel at the Strait of Dover
- 50 km — approximate height of the stratosphere
Astronomical
- 10 km — diameter of the most massive neutron stars (3 – 5 solar masses)
- 13 km — mean diameter of Deimos, the smaller moon of Mars
- 20 km — diameter of the least massive neutron stars (1.44 solar masses)
- 20 km — diameter of Leda, one of Jupiter's moons
- 20 km — diameter of Pan, one of Saturn's moons
- 22 km — diameter of Phobos, the larger moon of Mars
- 27 km — height of Olympus Mons above the Mars reference level,[4][5] the highest known mountain of the solar system
- 43 km — diameter difference of Earth's equatorial bulge
- 66 km — diameter of Naiad, the innermost of Neptune's moons
Distances longer than 100 kilometres
See also
Click on the thumbnail image to jump to the desired Human-scale order of length magnitude article: top-left is 1E-6m, lower-right is 1E5m.
| Orders of magnitude for length in E notation, shorter than one metre: | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <-24 | -24 | -23 | -22 | -21 | -20 | -19 | -18 | -17 | -16 | -15 | -14 | -13 | -12 | -11 | -10 | -9 | -8 | -7 | -6 | -5 | -4 | -3 | -2 | -1 | 0 |
| longer than 1 metre: | |||||||||||||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
Notes
- ^ km is an abbreviation of kilometre
References
- ^ Hans Högman (2007-01-21), Measurements and weights, old Swedish, archived from the original on 2009-04-25, http://www.webcitation.org/5gJ2hN0DU, retrieved 2009-04-20, "previously in common use: ... Swedish "mil" ... in the old days = ... 10.688 meters ... This "mil" was introduced in 1699 as a standard "mil" and was to represent the distance between the inns. Before 1699 the "mil" had different lengths in different parts of Sweden. Today in the metric system: 1 "mil" = 10 kilometers"
- ^ "IAAF Competition Rules 2008" (pdf). IAAF. pp. 195. Archived from the original on 2009-04-25. http://www.webcitation.org/5gJ2hogSd. Retrieved 2009-04-20.
- ^ Gregory Kennedy. "Stratolab, an Evolutionary Stratospheric Balloon Project". http://stratocat.com.ar/artics/stratolab-e.htm.
- ^ Highest and lowest points on Mars NASA
- ^ Plescia, Jeff (1997-10-01). "Height of Martian vs. Earth mountains". Questions and Answers about Mars terrain and geology. http://quest.arc.nasa.gov/mars/ask/terrain-geo/Height_of_Martian_vs__Earth_mountains.txt. Retrieved 2009-04-20.
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
