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Solar chromosphere showing large prominence
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Solar chromosphere showing vertical prominence
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Solar chromosphere showing large prominence
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Solar flare from active region
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Large solar prominence
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Ring Nebula JWST image
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Ring Nebula JWST image
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Protostars in the Orion Nebula
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Open star cluster in Carina nebula JWST images
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Karl Jansky Portrait of Karl Jansky (1905-1950) American radio engineer After studying physics at Wisconsin Jansky took a job at Bell Telephone Co
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Open star cluster in Carina nebula JWST image
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Plasma lamps are clear glass orbs filled with a mixture of various gases at low pressure and driven by high frequency alternating current at high vo
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Plasma nitriding process This process uses a nitrogen-hydrogen gas mixture as the nitriding medium which is ionised in a vacuum furnace at a negativ
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Ion engine thruster mechanism illustration
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Free floating gaseous globules Hubble image
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Helix nebula infrared Spitzer image
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Veil nebula supernova remnant
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Simeis 147 supernova remnant
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Veil nebula supernova remnant
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THIS PICTURE MAY NOT BE USED ON RETAIL MERCHANDISE IN THE USA Comet Hale-Bopp Optical image of comet Hale- Bopp Hale-Bopp was one of the brighte
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Veil nebula supernova remnant
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Veil nebula supernova remnant
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Veil nebula supernova remnant
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Supernova remnant IC 443
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Veil nebula supernova remnant
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Planetary nebula Hubble space telescope image of the M2-9 bipolar planetary nebula with its 2 pro- minent gas jets Neutral oxygen is red singly- i
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Z Camelopardalis UV image
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Z Camelopardalis far ultraviolet image Z Camelopardalis (centre white) is a double-star (binary) system It is composed of a dead star (white dwarf
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Coloured ultraviolet TRACE image of suns surface
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Mauna Kea telescopes and comet Image taken at dusk of telescope domes on Mauna Kea with comet Hale-Bopp seen in the sky The telescopes are from lef
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Cocoon nebula IC 5146 (centre left) This emission nebula lies about 4000 light years from Earth in the constellation Cygnus It is a region of star
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Dark nebula LDN 889 optical image This dark dust cloud stretching from upper left to lower right obscures the light from the red emission nebula (
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Emission nebula IC 2177
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Nebulae artwork A nebula is a large cloud of gas and dust in space often many light years across Emission nebulae (pink) have been ionized by near
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Coloured ultraviolet TRACE image of suns surface
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Sun plasma loops Coloured ultraviolet TRACE sate- llite image of part of the suns surface with plasma loops The surface (at lower left) is at a tem
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Suns quiet corona Coloured ultraviolet TRACE satellite image of a quiet part of the suns corona The corona is the hot outer atmosphere of t
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Hale-Bopp comet Optical image of comet Hale-Bopp showing its gas and dust tails Hale-Bopp was one of the brightest comets of the 20th century Its
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Comet Hale-Bopp Optical image of comet Hale-Bopp showing its gas and dust tails seen over trees Hale-Bopp was one of the brightest comets of the 20
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THIS IMAGE MAY NOT BE USED TO STATE OR IMPLY NOAO ENDORSEMENT OF ANY COMPANY OR PRODUCT THIS PICTURE MAY NOT BE USED TO STATE OR IMPLY NO
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Comet Hale-Bopp Optical image of comet Hale-Bopp showing its gas and dust tails seen over trees Hale-Bopp was one of the brightest comets of the 20
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Comet Hale-Bopp Optical image of comet Hale-Bopp showing its gas and dust tails This comet is one of the brightest comets of the twentieth century
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Comet Hale-Bopp Composite image of comet Hale- Bopp seen over the Tuffa formations and Mono Lake Both the gas and dust tails of comet Hale-Bopp are
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Comet Hale-Bopp Optical image of comet Hale-Bopp over silhouetted trees and the glow of the aurora borealis (Northern Lights) Both the gas and dust
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Comet Hale-Bopp Optical image of comet Hale-Bopp seen amongst silhouetted trees Both the gas and dust tails of the comet are seen The gas or ion
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Comet Hale-Bopp Optical image of comet Hale-Bopp showing its gas and dust tails This comet is one of the brightest comets of the twentieth century
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Comet Hale-Bopp Optical image of comet Hale-Bopp seen over silhouetted trees Both the gas and dust tails of the comet are seen The gas or ion ta
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Comet Hale-Bopp Optical image of comet Hale-Bopp showing its gas and dust tails Hale-Bopp was one of the brightest comets of the 20th century Its
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Comet Ikeya-Zhang
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Hubble photo of a small portion of one of the largest known star-birth regions in the galaxy the Carina Nebula Three light-year-tall towers of cool
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Optical photograph of Comet Ikeya-Seki taken on 29 October 1965 A comet is a body of ice and dust which moves around the Sun on a long elliptical
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Optical photograph of Comet Brorsen-Metcalf taken on September 4 1989 showing its multiple tail This was the comets third appearance in our skies
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Meteor Composite image of a silhouetted lantern- bearing woman watching a meteor or shooting star against a starry sky Meteors occur when dust par
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Reionization of the Universe
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Following the Big Bang the Universe was little more than a soup of charged subatomic particles and energy (top red) and energy (top red) As the U
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High voltage electrical discharge
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High voltage electrical discharge
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High voltage electrical discharge
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High voltage discharge
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This is a gas gain ion chamber ionization detector similar to those that flew in Aerobee rockets in the late 1950s to early 1960s The lithium fluor
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Trifid Nebula (M20) This is an H II region emission nebula a region of interstellar hydrogen that is being ionized by radiation from hot young stars
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Eagle Nebula (M16)
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Plasma conceptual computer illustration Plasma is an ionised state of matter similar to a gas
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Carina nebula Space telescope image of the Carina nebula showing the bright star Eta Carinae (centre) At around 1000 times the mass of the Sun Eta
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Small Magellanic Cloud composite image
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Star-forming region Composite image of a region of space near Canis Major where dozens of newborn stars (yellow-orange) are sprouting jets (green) f
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Little Dumbbell Nebula
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PMR 1 nebula Space telescope image of the PMR 1 or Exposed Cranium planetary nebula that lies around 5000 light-years away in the Vela constellatio
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Superbubble DEM L50 Composite image of the superbubble DEM L50 (or N186) which is located in the Large Magellanic Cloud around 160000 light years
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Ammonia Bottle of ammonia solution with yellow safety labelling It is highly corrosive and harm- ful if swallowed Ammonia (NH3) is the most import
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Nebula optical image
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Stellar gas Five-color infrared image of a reservoir of cold gas in the constellation of the Southern Cross Imaged by the Herschel Space Observatory
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Comet Ikeya-Zhang Comets are bodies of ice and dust which move around the Sun in long elliptical orbits As a comet nears the Sun its surface is he
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Nebulae in Orion View of nebulae in the constellation Orion A nebula is an interstellar cloud of dust hydrogen helium and other ionised gases The
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Nebulae in Sagittarius View of nebulae in the constellation Sagittarius A nebula is an interstellar cloud of dust hydrogen helium and other ionise
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Solar prominences Close-up of the surface of the Sun showing eruptions of ionized plasma known as solar prominences These consist of plasma (ionise
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Solar prominence Close-up of the surface of the Sun showing an eruption of ionized plasma known as a solar prominence This consists of plasma (ioni
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Solar prominence Close-up of the surface of the Sun showing an eruption of ionized plasma known as a solar prominence This consists of plasma (ioni
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Veil Nebula (IC 1340) optical image The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus Imaged by the 09M te
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Geiger-Muller tube measuring radiation from a source with a scaler The Geiger-Muller tube (at left) is instrument for detecting and measuring ionizi
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Veil Nebula (IC 1340) optical image The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus Imaged by the 09M te
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Quasar ULAS J11200641 artwork The very hot extremely luminous quasar at centre of the image is very bright at ultraviolet wavelengths This high-en
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Sodium flame test Positive result of a flame test for sodium (Na) producing a yellow colour This is due to the excitation of electrons in the sampl
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Ion engine test firing This is a xenon ion engine undergoing testing in a vacuum chamber at NASAs Jet Propulsion Laboratory California USA The bl
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Emission nebula Infrared image of a new star cluster (yellow and green stars) at the centre of an emission nebula Clouds (red) of gas and dust in th
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Milky Way galactic centre infrared image Combined Hubble Space Telescope (HST) and Spitzer Space Telescope (SST) image of the stars and nebulae seen
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Meteor Composite image of a silhouetted lantern- bearing woman watching a meteor or shooting star against a starry sky Meteors occur when dust par
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Simeis 147 supernova remnant optical image
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Plasma is the state of matter obtained after a gas has been ionized The external boundary is a glass sphere containing a low pressure mixture of iner
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Triangulum Galaxy (M33 NGC 598) Also known as the Pinwheel Galaxy this spiral galaxy is about 2 million light years away in the constellation Trian
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Large Magellanic Cloud Optical image of the irregular dwarf galaxy known as the Large Magellanic Cloud (LMC) which lies around 170000 light years f
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Evolution of the atmosphere of Mars Illustration of three mechanisms proposed to explain changes in the atmosphere of Mars over time Mars initially
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High-redshift galaxy illustration Progenitor of a Milky Way-like galaxy in the early universe with a background quasar shinning through a super hal
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Planetary nebula ESO 577-24 imaged by the Very Large Telescope (VLT) The shell of glowing ionised gas surrounds a dying star Abell 36 visible in t
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Ion engine mechanism illustration The blue exhaust stream at right is ionized atoms of a propellant gas (such as xenon) emerging from the engine to
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Abell 2597 galaxy cluster Composite image of the galaxy cluster Abell 2597 showing the fountain-like flow of gas powered by the supermassive black h
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Speculative illustration of an Earth-like extrasolar planet near a large nebula and multiple nearby stars Procedural nebula shader courtesy Viktor Sa
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Speculative illustration of an Earth-like extrasolar planet near a large nebula and multiple nearby stars Procedural nebula shader courtesy Viktor Sa
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THIS PICTURE MAY NOT BE USED TO STATE OR IMPLY NOAO ENDORSEMENT OF ANY COMPANY OR PRODUCT Abell 39 planetary nebula (blue) optical image A
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BTHIS PICTURE MAY NOT BE USED TO STATE OR IMPLY THE BENDORSEMENT BY NOAO OF ANY COMPANY OR PRODUCT THIS PICTURE MAY NOT BE USED TO STATE OR IMP
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