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  2. Light-second - Wikipedia

    en.wikipedia.org/wiki/Light-second

    Miles light-second 1 light-second 299 792 458 m: 2.998 × 10 5 km: 1.863 × 10 5 mi: Average distance from the Earth to the Moon is about 1.282 light-seconds light-minute 60 light-seconds = 1 light-minute 17 987 547 480 m: 1.799 × 10 7 km: 1.118 × 10 7 mi: Average distance from the Earth to the Sun is 8.317 light-minutes light-hour 60 light ...

  3. Speed of light - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light

    from geostationary orbit to Earth: 119 ms: the length of Earth's equator: 134 ms: from Moon to Earth: 1.3 s: from Sun to Earth (1 AU) 8.3 min: one light-year: 1.0 year: one parsec: 3.26 years: from the nearest star to Sun (1.3 pc) 4.2 years: from the nearest galaxy to Earth: 70 000 years: across the Milky Way: 87 400 years: from the Andromeda ...

  4. Earth's orbit - Wikipedia

    en.wikipedia.org/wiki/Earth's_orbit

    Earth orbit (yellow) compared to a circle (gray) Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, [1] in a counterclockwise direction as viewed from above the Northern Hemisphere. One complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million ...

  5. Geosynchronous orbit - Wikipedia

    en.wikipedia.org/wiki/Geosynchronous_orbit

    A geostationary equatorial orbit (GEO) is a circular geosynchronous orbit in the plane of the Earth's equator with a radius of approximately 42,164 km (26,199 mi) (measured from the center of the Earth). [21]: 156 A satellite in such an orbit is at an altitude of approximately 35,786 km (22,236 mi) above mean sea level.

  6. List of circumnavigations - Wikipedia

    en.wikipedia.org/wiki/List_of_circumnavigations

    Heinz Stücke has been cycling around the world since 1962. Arthur Blessitt has been walking around the world carrying a 45 lb (20 kg) wooden cross since 25 December 1969, covering 42,279 miles (68,041 km) through 324 countries. As of 13 June 2008, aged 67, he had walked in every country of the world, since when he has returned to some.

  7. Circle of latitude - Wikipedia

    en.wikipedia.org/wiki/Circle_of_latitude

    The latitude of the circle is approximately the angle between the Equator and the circle, with the angle's vertex at Earth's centre. The Equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great circle.

  8. List of states of Mexico - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_Mexico

    Sonora. Tabasco. Tamaulipas. TL. Veracruz. Yucatán. Zacatecas. The states are the first-level administrative divisions of Mexico and are officially named the United Mexican States. There are 32 federal entities in Mexico (31 states and the capital, Mexico City, as a separate entity that is not formally a state). [1][2][3][4]

  9. Geography of Mexico - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Mexico

    The geography of Mexico describes the geographic features of Mexico, a country in the Americas. Mexico is located at about 23° N and 102° W [1] in the southern portion of North America. [2][3] From its farthest land points, Mexico is a little over 3,200 km (2,000 mi) in length. Mexico is bounded to the north by the United States (specifically ...