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Areography, also known as the geography of Mars, is a subfield of planetary science that entails the delineation and characterization of regions on Mars. [ 1 ] [ 2 ] [ 3 ] Areography is mainly focused on what is called physical geography on Earth; that is the distribution of physical features across Mars and their cartographic representations.
For example, at a radius of 6600 km (about 200 km above Earth's surface) J 3 /(J 2 r) is about 0.002; i.e., the correction to the "J 2 force" from the "J 3 term" is in the order of 2 permille. The negative value of J 3 implies that for a point mass in Earth's equatorial plane the gravitational force is tilted slightly towards the south due to ...
In mathematics, a map or mapping is a function in its general sense. [1] These terms may have originated as from the process of making a geographical map: mapping the Earth surface to a sheet of paper. [2] The term map may be used to distinguish some special types of functions, such as homomorphisms.
Buckminster Fuller and Shoji Sadao, Project for Floating Cloud Structures (Cloud Nine), c. 1960. Cloud Nine is the name Buckminster Fuller gave to his proposed airborne habitats created from giant geodesic spheres, which might be made to levitate by slightly heating the air inside above the ambient temperature.
Wondering how much protein you need to build muscle? Learn the science behind muscle growth, daily protein goals, and expert-backed tips for optimal results.
Like the North Magnetic Pole, the North Geomagnetic Pole attracts the north pole of a bar magnet and so is in a physical sense actually a magnetic south pole. It is the center of the 'open' magnetic field lines which connect to the interplanetary magnetic field and provide a direct route for the solar wind to reach the ionosphere.
From June 2010 to December 2012, if you bought shares in companies when Thomas J. Falk joined the board, and sold them when he left, you would have a 18.2 percent return on your investment, compared to a 32.4 percent return from the S&P 500.
Police in Laos have detained the manager and seven staff members of a backpacker hostel in Vang Vieng following the deaths of six tourists from suspected methanol poisoning, state media reported ...