- actual earth radius
- Техника: действительный радиус Земли
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Effective Earth radius — In telecommunication, effective Earth radius is the radius of a hypothetical Earth for which the distance to the radio horizon, assuming rectilinear propagation, is the same as that for the actual Earth with an assumed uniform vertical gradient… … Wikipedia
Earth's gravity — Earth s gravity, denoted by g , refers to the gravitational attraction that the Earth exerts on objects on or near its surface. Its strength is usually quoted in terms of the acceleration it gives to falling bodies (acceleration due to gravity),… … Wikipedia
Earth radiation — is a theoretical geophysical phenomenon described primarily by the German authors Manfred Curry and Ernst Hartmann. They both describe a mystic force field (similar to Odic force, Mana, Qi) that supposedly covers the earth at regular intervals… … Wikipedia
Earth & Beyond — Infobox VG title = Earth Beyond developer = Westwood Studios publisher = Electronic Arts distributor = Electronic Arts designer = engine = version = released = September 24, 2002 genre = MMORPG modes = Multiplayer ratings = ESRB: Teen (13+) ELSPA … Wikipedia
Earth technology in Stargate — In the Stargate fictional universe, the humans of Earth have developed many advanced technologies based on what SG teams have brought back from trips to other planets through the Stargate. Earth has also benefitted from technical knowledge… … Wikipedia
Figure of the Earth — An oblate spheroid Geodesy … Wikipedia
Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC … Wikipedia
Expanding Earth theory — The Expanding Earth theory is an attempt to explain the position and movement of continents (continental drift) on the surface of the Earth. The expanded earth theory (and plate tectonics) incorporates the appearance of new crustal material at… … Wikipedia
Risks to civilization, humans and planet Earth — This article is about the near and very far future. For past civilizations, see Societal collapse. Contents 1 Types of risks 2 Future scenarios 2.1 … Wikipedia
History of Earth — The history of Earth covers approximately 4.6 billion years (4,567,000,000 years), from Earth’s formation out of the solar nebula to the present. This article presents a broad overview, summarizing the leading, most current scientific… … Wikipedia
K-factor — Telecommunications= In telecommunication, the term k factor has the following meanings: 1. In tropospheric radio propagation, the ratio of the effective Earth radius to the actual Earth radius. Note: The k factor is approximately 4/3. 2. In… … Wikipedia