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HMI takes high-resolution measurements of the longitudinal and vector magnetic field by viewing the entirety of the Sun's disk, with emphasis on various concentrations of metals in the Sun; specifically it passes the light (the variety of usable frequencies of which are centered on the solar spectrum's 617.3-nm Fraunhofer line) through five ...
The Global Oscillation Network Group (GONG) is a worldwide network of six identical telescopes, designed to have 24/7 observations of the Sun. [1] The network serves multiple purposes, including the provision of operation data for use in space weather prediction, [2] and the study of solar internal structure and dynamics using helioseismology.
The frequency drifts from higher to lower values because it depends on the electron density, and the shock propagates outward away from the Sun through lower and lower densities. By using a model for the Sun's atmospheric density, the frequency drift rate can then be used to estimate the speed of the shock wave.
NASA says the sun is in the highly active "maximum phase" of its 11-year solar cycle.. That means there will probably be big solar storms bringing beautiful aurora in the next year or so. Solar ...
In Real Life: Blocking The Sun. Meg Hilling. October 8, 2023 at 8:00 PM ... SEE MORE: In Real Life: Voices of Nature. ... USA TODAY. Burt, the crocodile from 'Crocodile Dundee,' dies in reptile ...
Viewed from the same location, a star seen at one position in the sky will be seen at the same position on another night at the same time of day (or night), if the day is defined as a sidereal day (also known as the sidereal rotation period). This is similar to how the time kept by a sundial can be used to find the location of the Sun.
NASA's Parker Solar Probe is about to make its closest approach to the sun. The spacecraft will fly within 3.8 million miles of the solar surface. The spacecraft is collecting essential data that ...
Information from GLM is used to determine the frequency, location, and extent of lightning strikes. [53] Data from the GLM can be mapped in real-time using open-source software that has also been adapted by the United States National Weather Service [ 61 ] [ 62 ] Development of the GLM was contracted by the Lockheed Martin Advanced Technology ...