• Thumbnail for X-ray astronomy
    X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation...
    65 KB (8,115 words) - 13:32, 13 April 2024
  • Thumbnail for X-ray telescope
    instrument. X-ray telescopes were first used for astronomy to observe the Sun, which was the only source in the sky bright enough in X-rays for those early...
    26 KB (3,142 words) - 10:46, 21 April 2024
  • Thumbnail for History of X-ray astronomy
    The history of X-ray astronomy begins in the 1920s, with interest in short wave communications for the U.S. Navy. This was soon followed by extensive...
    55 KB (7,174 words) - 21:14, 13 May 2024
  • Thumbnail for Gamma-ray astronomy
    Gamma-ray astronomy is a subfield of astronomy where scientists observe and study celestial objects and phenomena in outer space which emit cosmic electromagnetic...
    27 KB (3,250 words) - 06:46, 28 April 2024
  • Thumbnail for Sun
    Sun (redirect from Solar X-ray astronomy)
    the solar system" (PDF). Astronomy & Geophysics. 41 (1): 12. Bibcode:2000A&G....41a..12W. doi:10.1046/j.1468-4004.2000.00012.x. Archived (PDF) from the...
    164 KB (18,532 words) - 18:03, 15 May 2024
  • Thumbnail for X-ray binary
    X-ray binaries are a class of binary stars that are luminous in X-rays. The X-rays are produced by matter falling from one component, called the donor...
    14 KB (1,706 words) - 13:09, 1 May 2024
  • Thumbnail for Chandra X-ray Observatory
    The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space telescope launched...
    37 KB (3,527 words) - 04:09, 27 April 2024
  • Thumbnail for X-ray machine
    An X-ray machine is a device that uses X-rays for a variety of applications including medicine, X-ray fluorescence, electronic assembly inspection, and...
    14 KB (1,765 words) - 06:29, 8 May 2024
  • small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray astronomy. Since X-rays and visible light are both electromagnetic...
    21 KB (2,668 words) - 11:51, 2 May 2024
  • ISBN 0-521-41651-5 Audio Cain/Gay (2009) Astronomy Cast X-ray Astronomy X-ray astronomy Wilkinson Microwave Anisotropy Probe S150 Galactic X-Ray Mapping...
    2 KB (192 words) - 06:25, 27 December 2019
  • X-ray pulsars or accretion-powered pulsars are a class of astronomical objects that are X-ray sources displaying strict periodic variations in X-ray intensity...
    8 KB (1,073 words) - 15:08, 12 April 2024
  • Thumbnail for Ultraviolet astronomy
    shorter wavelengths—higher energy photons—are studied by X-ray astronomy and gamma-ray astronomy. Ultraviolet light is not visible to the human eye. Most...
    9 KB (855 words) - 14:37, 2 April 2024
  • Thumbnail for Astronomy
    adjustment of ultraviolet measurements is necessary. X-ray astronomy uses X-ray wavelengths. Typically, X-ray radiation is produced by synchrotron emission (the...
    99 KB (10,181 words) - 22:50, 7 May 2024
  • Thumbnail for X-Ray Imaging and Spectroscopy Mission
    The X-Ray Imaging and Spectroscopy Mission (XRISM, pronounced "crism"), formerly the X-ray Astronomy Recovery Mission (XARM), is an X-ray space telescope...
    20 KB (1,903 words) - 17:34, 25 March 2024
  • In astronomy, an X-ray flash is a transient emission of X-rays originating in a distant galaxy, probably caused by a hypernova. They have been observed...
    2 KB (252 words) - 07:41, 21 November 2013
  • Thumbnail for Observational astronomy
    High-energy astronomy includes X-ray astronomy, gamma-ray astronomy, and extreme UV astronomy. Occultation astronomy is the observation of the instant...
    27 KB (3,375 words) - 11:46, 4 May 2024
  • Thumbnail for X-ray
    X-rays (or much less commonly, X-radiation) are a form of high-energy electromagnetic radiation. In many languages, it is referred to as Röntgen radiation...
    105 KB (12,434 words) - 20:18, 8 May 2024
  • High-energy astronomy is the study of astronomical objects that release electromagnetic radiation of highly energetic wavelengths. It includes X-ray astronomy, gamma-ray...
    2 KB (150 words) - 22:14, 24 January 2024
  • Thumbnail for Amateur astronomy
    Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes...
    39 KB (4,575 words) - 15:37, 29 February 2024
  • X-ray sources abound around us. They include the following: Natural X-ray sources: Astrophysical X-ray source, as viewed in X-ray astronomy X-ray background...
    682 bytes (121 words) - 07:45, 16 November 2023
  • Thumbnail for Astrophysical X-ray source
    X-ray sources are astronomical objects with physical properties which result in the emission of X-rays. Several types of astrophysical objects emit X-rays...
    77 KB (8,344 words) - 16:12, 2 February 2024
  • Thumbnail for Lynx X-ray Observatory
    Lynx X-ray Observatory (Lynx) is a NASA-funded Large Mission Concept Study commissioned as part of the National Academy of Sciences 2020 Astronomy and...
    18 KB (1,903 words) - 05:02, 6 January 2024
  • Thumbnail for Gamma ray
    subject of gamma ray astronomy, while radiation below 100 keV is classified as X-rays and is the subject of X-ray astronomy. Gamma rays are ionizing radiation...
    58 KB (7,126 words) - 04:15, 12 May 2024
  • Thumbnail for Messier 15
    Messier 15 (category X-ray astronomy)
    the upper left of the core of the cluster. List of Messier objects X-ray astronomy Shapley, Harlow; Sawyer, Helen B. (August 1927). "A Classification...
    11 KB (999 words) - 19:42, 18 March 2024
  • Thumbnail for Hard X-ray Modulation Telescope
    energy X-ray Telescope (20–250 keV), the medium energy X-ray telescope (5–30 keV), and the low energy X-ray telescope (1–15 keV) X-ray astronomy X-ray astronomy...
    6 KB (327 words) - 08:48, 1 February 2024
  • Thumbnail for Lobster-eye optics
    Lobster-eye optics (category X-ray astronomy)
    other X-ray telescopes. The idea was originally proposed for use in X-ray astronomy by Roger Angel in 1979, with a similar idea presented earlier by W...
    21 KB (2,093 words) - 10:22, 5 May 2024
  • Thumbnail for Lobster Eye Imager for Astronomy
    Lobster Eye Imager for Astronomy (LEIA) (also known as EP-WXT-pathfinder) is a wide-field X-ray imaging space telescope built by Chinese Academy of Sciences...
    5 KB (544 words) - 06:45, 8 April 2024
  • Thumbnail for Skylab 3
    S150 X-ray experiment was sent up with Skylab 3. The 1,360 kg X-ray astronomy satellite experiment was designed to look for soft galactic x-rays. Short...
    23 KB (2,192 words) - 22:14, 23 March 2024
  • Thumbnail for High-altitude balloon
    imagery from near space, amateur radio applications, and submillimetre astronomy. High-altitude balloons have been considered for use in telecommunications...
    29 KB (2,984 words) - 21:55, 14 March 2024
  • Thumbnail for High Energy Astronomy Observatory 1
    1979. During that time, it scanned the X-ray sky almost three times HEAO included four X-ray and gamma-ray astronomy instruments, known as A1, A2, A3, and...
    10 KB (1,211 words) - 15:23, 7 January 2024