radio star scintillation

  • 1List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …

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  • 2electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …

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  • 3Pulsar — Pulsars are highly magnetized rotating neutron stars that emit a beam of electromagnetic radiation in the form of radio waves. Their observed periods range from 1.4 ms to 8.5 s. [ M.D. Young, R.N. Manchester and S. Johnston. A radio pulsar with… …

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  • 4Crab Pulsar — The Crab Nebula, which contains the Crab Pulsar. Image combines optical data from Hubble (in red) and X ray images from Chandra (in blue). NASA/CXC/ASU/J. Hester et al.[1] …

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  • 5Geomagnetic storm — This article is about disturbances within Earth s magnetosphere. For other uses of magnetic storm , see Magnetic storm (disambiguation). Solar particles interact with Earth s magnetosphere. A geomagnetic storm is a temporary disturbance of the… …

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  • 6Wow! signal — The WOW! Signal. The Wow! signal was a strong narrowband radio signal detected by Dr. Jerry R. Ehman on August 15, 1977, while working on a SETI project at the Big Ear radio telescope of The Ohio State University then located at Ohio Wesleyan… …

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  • 7Jocelyn Bell Burnell — Infobox Scientist name = Jocelyn Bell Burnell box width = image size = 200 caption = Jocelyn Bell Burnell, circa 1975 birth date = birth date and age|1943|07|15|df=y birth place = Northern Ireland death date = death place = residence =… …

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  • 8X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …

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  • 9Active SETI — A representation of the 1679 bit Arecibo message. Active SETI (Active Search for Extra Terrestrial Intelligence) is the attempt to send messages to intelligent aliens. Active SETI messages are usually in the form of radio signals. Physical… …

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  • 10eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …

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