geomagnetic survey
51geophysics — geophysical, adj. geophysically, adv. geophysicist, n. /jee oh fiz iks/, n. (used with a sing. v.) the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and… …
52Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …
53Nature — This article is about the physical universe. For other uses, see Nature (disambiguation). Natural and Natural World redirect here. For other uses, see Natural (disambiguation). See also: Natural environment Hopetoun Falls, Australia …
54Magnetar — For the hedge fund, see Magnetar Capital. Artist s conception of a magnetar, with magnetic field lines A magnetar is a type of neutron star with an extremely powerful magnetic field, the decay of which powers the emission of copious amounts of… …
55Magnetogram — Sun magnetogram during a solar storm (2004/11/04) by the Michelson Doppler Imager (MDI) of the SoHO Satellite. The term magnetogram has two meanings, used separately in the contexts of magnetic fields of the Sun and the Earth. In the context of… …
56Außerkörperliche Erfahrung — Die Seele verlässt den Körper (Illustration, 1808) Außerkörperliche Erfahrung (AKE), englisch Out of Body Experience (OBE, bzw. OOBE), auch Astralwanderung, ist ein Erlebnis, bei dem der Betroffene die Empfindung hat, sich außerhalb des eigenen… …
57Tierra — «Planeta Tierra» redirige aquí. Para la serie documental, véase Planeta Tierra (documental). Para otros usos de este término, véase Tierra (desambiguación). Tierra …
58Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
59Latitude — This article is about the geographical reference system. For other uses, see Latitude (disambiguation). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are actually halves of great… …
60Ley line — Ley lines are hypothetical alignments of a number of places of geographical interest, such as ancient monuments and megaliths. Their existence was suggested in 1921 by the amateur archaeologist Alfred Watkins, whose book The Old Straight Track… …
