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A mnemonic to remember which way to turn common (right-hand thread) screws and nuts, including light bulbs, is "Righty-tighty, Lefty-loosey"; another is "Right on, Left off". [ 8 ] : 165 For the OSI Network Layer model P lease D o N ot T hrow S ausage P izza A way correspond to the Physical, Datalink, Network, Transport, Session, Presentation ...
The heliosphere, the tenuous outermost atmosphere of the Sun, is filled with solar wind plasma and is defined to begin at the distance where the flow of the solar wind becomes superalfvénic—that is, where the flow becomes faster than the speed of Alfvén waves, [87] at approximately 20 solar radii (0.1 AU). Turbulence and dynamic forces in ...
A planetary mnemonic refers to a phrase created to remember the planets and dwarf planets of the Solar System, with the order of words corresponding to increasing sidereal periods of the bodies. One simple visual mnemonic is to hold out both hands side-by-side with thumbs in the same direction (typically left-hand facing palm down, and right ...
The Sun photographed at a wavelength of 19.3 nanometers (ultraviolet) Despite its name, the heliosphere's shape is not a perfect sphere. [ 6 ] Its shape is determined by three factors: the interstellar medium (ISM), the solar wind, and the overall motion of the Sun and heliosphere as it passes through the ISM.
The approximate temperature in the solar atmosphere plotted against height. The solar transition region is a region of the Sun's atmosphere between the upper chromosphere and corona. [1] [2] It is important because it is the site of several unrelated but important transitions in the physics of the solar atmosphere:
Knuckle mnemonic for the number of days in each month of the Gregorian calendar.Each knuckle represents a 31-day month. A mnemonic device (/ n ə ˈ m ɒ n ɪ k / nə-MON-ik) [1] or memory device is any learning technique that aids information retention or retrieval in the human memory, often by associating the information with something that is easier to remember.
The division of the atmosphere into layers mostly by reference to temperature is discussed above. Temperature decreases with altitude starting at sea level, but variations in this trend begin above 11 km, where the temperature stabilizes over a large vertical distance through the rest of the troposphere.
It is sunlight that is Thomson-scattered by free electrons in the hot plasma of the Sun's outer atmosphere. The continuum nature of the spectrum arises from Doppler broadening of the Sun's Fraunhofer absorption lines in the reference frame of the (hot and therefore fast-moving) electrons. Although the K-corona is a phenomenon of the electrons ...