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55 relations: Adaptive optics, Atmosphere of Earth, Bernard Lyot, Cardinal point (optics), Circumstellar disc, Corona, Diffraction, European Space Agency, Exoplanet, Fomalhaut, Fresnel diffraction, Glare (vision), Hale Telescope, High Altitude Observatory, HR 8799, Hubble Space Telescope, James Webb Space Telescope, Jet Propulsion Laboratory, Jupiter, Liquid-crystal polymer, List of solar telescopes, Lyot stop, Mauna Loa, Microelectronics, Microfabrication, Minute and second of arc, Moon, NASA, Near Infrared Camera and Multi-Object Spectrometer, New Worlds Mission, NIRCam, Optical vortex, Optothermal stability, Outer space, Palomar Observatory, Photometry (astronomy), Polarization (waves), Rayleigh scattering, Right angle, Sky, Sky brightness, Skylab, Solar and Heliospheric Observatory, Solar eclipse, Solar Maximum Mission, Solar observatory, Star, Stray light, Sun, Sunlight, ..., Telescope, Terrestrial Planet Finder, The Astrophysical Journal, Thomson scattering, 3D television. Expand index (5 more) »
Adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effect of incoming wavefront distortions by deforming a mirror in order to compensate for the distortion.
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Atmosphere of Earth
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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Bernard Lyot
Bernard Ferdinand Lyot (27 February 1897, in Paris – 2 April 1952, in Cairo) was a French astronomer.
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Cardinal point (optics)
In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system.
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Circumstellar disc
A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accumulation of matter composed of gas, dust, planetesimals, asteroids or collision fragments in orbit around a star.
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Corona
A corona (Latin, 'crown') is an aura of plasma that surrounds the Sun and other stars.
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Diffraction
--> Diffraction refers to various phenomena that occur when a wave encounters an obstacle or a slit.
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European Space Agency
The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.
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Exoplanet
An exoplanet or extrasolar planet is a planet outside our solar system.
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Fomalhaut
Fomalhaut, also designated Alpha Piscis Austrini (α Piscis Austrini, abbreviated Alpha PsA, α PsA) is the brightest star in the constellation of Piscis Austrinus and one of the brightest stars in the sky.
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Fresnel diffraction
In optics, the Fresnel diffraction equation for near-field diffraction is an approximation of the Kirchhoff–Fresnel diffraction that can be applied to the propagation of waves in the near field.
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Glare (vision)
Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night.
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Hale Telescope
The Hale telescope is a, f/3.3 reflecting telescope at the Palomar Observatory in California, US, named after astronomer George Ellery Hale.
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High Altitude Observatory
The High Altitude Observatory (HAO) conducts research and provides support and facilities for the solar-terrestrial research community in the areas of solar and heliospheric physics, and the effects of solar variability on the Earth's magnetosphere, ionosphere, and upper atmosphere.
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HR 8799
HR 8799 is a roughly 30 million-year-old main-sequence star located 129 light years (39 parsecs) away from Earth in the constellation of Pegasus.
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Hubble Space Telescope
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
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James Webb Space Telescope
The James Webb Space Telescope (JWST) is a space telescope developed in collaboration between NASA, the European Space Agency, and the Canadian Space Agency that will be the scientific successor to the Hubble Space Telescope.
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Jet Propulsion Laboratory
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
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Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
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Liquid-crystal polymer
Liquid-crystal polymers (LCPs) are a class of aromatic polymers.
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List of solar telescopes
List of solar telescopes sorted by default by year of completion, with newer telescopes higher up.
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Lyot stop
A Lyot stop is an optic stop, invented by French astronomer Bernard Lyot, that reduces the amount of flare caused by diffraction of other stops and baffles in optical systems.
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Mauna Loa
Mauna Loa (or; Hawaiian:; Long Mountain) is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaiʻi in the Pacific Ocean.
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Microelectronics
Microelectronics is a subfield of electronics.
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Microfabrication
Microfabrication is the process of fabricating miniature structures of micrometre scales and smaller.
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Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
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Moon
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Near Infrared Camera and Multi-Object Spectrometer
The Near Infrared Camera and Multi-Object Spectrometer (NICMOS) is a scientific instrument for infrared astronomy, installed on the Hubble Space Telescope (HST), operating from 1997 to 1999, and from 2002 to 2008.
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New Worlds Mission
The New Worlds Mission is a proposed project comprising a large occulter flying in formation designed to block the light of nearby stars in order to observe their orbiting exoplanets.
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NIRCam
NIRCam is an instrument aboard the to-be-launched James Webb Space Telescope.
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Optical vortex
An optical vortex (also known as a photonic quantum vortex, screw dislocation or phase singularity) is a zero of an optical field; a point of zero intensity.
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Optothermal stability
Optothermal stability describes the rate at which an optical element distorts due to a changing thermal environment.
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Outer space
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
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Palomar Observatory
Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.
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Photometry (astronomy)
Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.
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Polarization (waves)
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
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Rayleigh scattering
Rayleigh scattering (pronounced), named after the British physicist Lord Rayleigh (John William Strutt), is the (dominantly) elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation.
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Right angle
In geometry and trigonometry, a right angle is an angle of exactly 90° (degrees), corresponding to a quarter turn.
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Sky
The sky (or celestial dome) is everything that lies above the surface of the Earth, including the atmosphere and outer space.
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Sky brightness
Sky brightness refers to the visual perception of the sky and how it scatters and diffuses light.
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Skylab
Skylab was the United States' space station that orbited the Earth from 1973 to 1979, when it fell back to Earth amid huge worldwide media attention.
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Solar and Heliospheric Observatory
The Solar and Heliospheric Observatory (SOHO) is a spacecraft built by a European industrial consortium led by Matra Marconi Space (now Astrium) that was launched on a Lockheed Martin Atlas II AS launch vehicle on December 2, 1995, to study the Sun, and has discovered over 3000 comets.
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Solar eclipse
A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and when the Moon fully or partially blocks ("occults") the Sun.
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Solar Maximum Mission
The Solar Maximum Mission satellite (or SolarMax) was designed to investigate Solar phenomena, particularly solar flares.
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Solar observatory
A solar observatory is an observatory that specializes in monitoring the Sun.
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Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
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Stray light
Stray light is light in an optical system, which was not intended in the design.
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Sun
The Sun is the star at the center of the Solar System.
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Sunlight
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.
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Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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Terrestrial Planet Finder
The Terrestrial Planet Finder (TPF) was a proposed project by NASA to construct a system of space telescopes for detecting extrasolar terrestrial planets.
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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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Thomson scattering
Thomson scattering is the elastic scattering of electromagnetic radiation by a free charged particle, as described by classical electromagnetism.
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3D television
3D television (3DTV) is television that conveys depth perception to the viewer by employing techniques such as stereoscopic display, multi-view display, 2D-plus-depth, or any other form of 3D display.
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Coronagraphic, Coronagraphy, Coronograph, Vector vortex coronagraph.
References
[1] https://en.wikipedia.org/wiki/Coronagraph
