present geomagnetic pole
31space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
32Magnetosphere of Jupiter — Discovery[1] Discovered by …
33Detailed logarithmic timeline — Main article: logarithmic timeline This timeline allows one to see the whole history of the universe, the Earth, and mankind in one table. Each row is defined in years ago, that is, years before the present date, with the earliest times at the… …
34moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… …
35Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… …
36Venus — /vee neuhs/, n., pl. Venuses for 2. 1. an ancient Italian goddess of gardens and spring, identified by the Romans with Aphrodite as the goddess of love and beauty. 2. an exceptionally beautiful woman. 3. (sometimes l.c.) Archaeol. a statuette of… …
37Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
38Hydro-Québec's electricity transmission system — is an expansive, international power transmission system located in Quebec, Canada with extensions into the Northeastern United States. Major expansion of the network began with the commissioning of the alternating current 735,000 volt (735 kV)… …
39Runcorn, Stanley Keith — ▪ 1996 British geophysicist (b. Nov. 19, 1922, Southport, Lancashire, England d. Dec. 5, 1995, San Diego, Calif.), was the first to discover evidence of the periodic polar reversals of the Earth s magnetic field. In the 1950s he was a… …
40magnetism — /mag ni tiz euhm/, n. 1. the properties of attraction possessed by magnets; the molecular properties common to magnets. 2. the agency producing magnetic phenomena. 3. the science dealing with magnetic phenomena. 4. strong attractive power or… …
