10 megametres
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To help compare different orders of magnitude, this page lists lengths starting at 107 m (10 Mm or 10,000 km).
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[edit] Conversions
10,000 km is
- 6,215 miles.
- side of a square of area 100,000,000 km²
- radius of a circle of area 314,159,265 km²
[edit] Nature
- 10,000 km — Approximate altitude of the outer boundary of the exosphere
- 10,001 km — Length of the Meridian of Paris from the North Pole to the Equator (the original definition of the metre was based on this length).
- 15,134 km — Coastline of New Zealand
- 19,924 km — Coastline of the United States
- 21,925 km — Coastline of Norway
- 25,760 km — Coastline of Australia
- 40,000 km — Coastline of Finland (including islands) [1]
- 60,000 km — Total length of the mid-ocean ridges
[edit] Astronomical
- 12,000 km — Diameter of Sirius B, a white dwarf[1]
- 12,104 km — Diameter of Venus
- 12,742 km — Diameter of Earth
- 12,900 km — Minimum distance of the meteoroid 2004 FU162 from the center of Earth on March 31, 2004, closest on record
- 14,000 km — Smallest diameter of Jupiter's Great Red Spot
- 34,770 km — Minimum distance of the asteroid 99942 Apophis on April 13, 2029 from the center of Earth
- 35,786 km — Altitude of geostationary orbit
- 40,005 km — Polar circumference of the Earth
- 40,077 km — Equatorial circumference of the Earth
- 49,528 km — Diameter of Neptune
- 51,118 km — Diameter of Uranus
[edit] Other
- 13,300 km - Length of roads being rehabilitated and widened under the National Highway Development Project (launched in 1998) in India.
