10 megametres
Appearance
Template:Orders of magnitude (length) imagemap astronomical-scale
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/1e7m_comparison_Uranus_Neptune_Sirius_B_Earth_Venus.png/220px-1e7m_comparison_Uranus_Neptune_Sirius_B_Earth_Venus.png)
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To help compare different orders of magnitude, this page lists lengths starting at 107 metres (10 megametres or 10,000 kilometres).
Distances shorter than 107 metres
Conversions
10 megametres (10 Mm) is
- 6,215 miles.
- side of a square of area 100,000,000 square kilometres (km2)
- radius of a circle of area 314,159,265 km2
Human-defined scales and structures
- 11.085 Mm — Length of the Kiev-Vladivostok railway, a longer variant of the Trans-Siberian railway[1]
- 13.300 Mm — Length of roads being rehabilitated and widened under the National Highway Development Project (launched in 1998) in India
- 39.000 Mm — Length of the SEA-ME-WE 3 optical submarine telecommunications cable, joining 39 points between Norden, Germany and Okinawa, Japan
- 67.000 Mm — Total length of National Highways in India
Geographical
- 10 Mm — Approximate altitude of the outer boundary of the exosphere
- 10.001 Mm — Length of the meridian arc from the North Pole to the Equator (the original definition of the metre was based on this length).
- 60.000 Mm — Total length of the mid-ocean ridges
Astronomical
- 12.000 Mm — Diameter of Sirius B, a white dwarf[2]
- 12.104 Mm — Diameter of Venus
- 12.742 Mm — Diameter of Earth
- 12.900 Mm — Minimum distance of the meteoroid 2004 FU162 from the center of Earth on March 31, 2004, closest on record
- 14.000 Mm — Smallest diameter of Jupiter's Great Red Spot
- 34.770 Mm — Minimum distance of the asteroid 99942 Apophis on April 13, 2029 from the center of Earth
- 35.786 Mm — Altitude of geostationary orbit
- 40.005 Mm — Polar circumference of the Earth
- 40.077 Mm — Equatorial circumference of the Earth
- 49.528 Mm — Diameter of Neptune
- 51.118 Mm — Diameter of Uranus
References
- ^ CIS railway timetable, route No. 350, Kiev-Vladivostok. Archived 2009-12-03.
- ^ McGourty, Christine (2005-12-14). "Hubble finds mass of white dwarf". BBC News. Retrieved 2007-10-13.