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  • Kaley Forbord

    Looks like an eye! - A dying star expels its outer layers, creating a planetary nebula . so called because it resembles a planet when seen with a small telescope. NGC 6369's blue-green ring marks the location where energetic ultraviolet light has stripped electrons from oxygen atoms in the gas.

  • Denise Dzara

    NGC 6369; universe; sky; space; stars; solar system; cosmos

  • ThreadBenders Design Studio

    Carried into orbit by the Space Shuttle Discovery in 1990, the Hubble Space Telescope has taken hundreds of thousands of images of celestial objects: planets, stars, nebulae, galaxies. In this image, a dying star expels its outer layers, creating a planetary nebula. The blue-green ring marks the location where energetic ultraviolet light has stripped electrons from oxygen atoms in the gas. A vivid, high-quality Hubble image is giclée-printed on cotton canvas with UV-resistant inks and ... $100

  • Tanmay Tegginmath

    #Astronomy: The Little #GhostNebula, #NGC6369 A planetary nebula formed at the end of a star's life. Our own sun could produce something like this in as little as 5 billion years from now.

  • Trinidad Solís

    An Old Star Gives Up the Ghost. NASA's Hubble Space Telescope has recently obtained images of the planetary nebula NGC 6369. This object is known to amateur astronomers as the "Little Ghost Nebula," because it appears as a small, ghostly cloud surrounding the faint, dying central star. NGC 6369 lies in the direction of the constellation Ophiuchus, at a distance estimated to be between about 2,000 and 5,000 light-years from Earth.

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The star WR 124 and its surrounding nebula M1-67. Located 15,000 light years away in the constellation Sagittarius, the names aren't fancy, but it's a spectacular sight. (Image credit: NASA/Esa Hubble Space Telescope)

Center of the Lagoon Nebula in the constellation Sagittarius. New NASA/ESA Hubble Space Telescope image. The region is filled with intense winds from hot stars, churning funnels of gas, and energetic star formation, all embedded within an intricate haze of gas and pitch-dark dust. ( Image Credit: NASA, ESA, J. Trauger (Jet Propulson Lab))

NGC 6818 also known as the Little Gem Nebula. A planetary nebula located in the constellation of Sagittarius, roughly 6000 light-years away from us. The rich glow of the cloud is just over half a light-year across. When stars like the Sun enter retirement, they shed their outer layers into space to create glowing clouds of gas called planetary nebulae. This ejection of mass is uneven, and planetary nebulae can have very complex shapes. (Credit: ESA/Hubble & NASA)

NGC 6565, a planetary nebula in Sagittarius. (Credit: ESA/Hubble & NASA) A dying star ejects its outer layers and its stellar winds push them away to produce the nebula. We see it illuminated when the star's core is finally exposed and it produces UV radiation. This excites the surrounding gas and an array of colors is radiated. When the star shrinks to a white dwarf, its luminosity fades and so does the nebula fade from view.

Dust and Gas Surrounding Star R Coronae Australis (Credit: F. Comeron, WFI, MPG, La Silla Observatory, ESO) The dust is so thick on the left of the image that there's little light from background stars. In the upper right thinner dust reflects light from R. Coronae Australis & neighbor TY Coronae Australis. It's about 500 light years away, the image covers an area four light years across.

The Fighting Dragons of Ara by Andrew Campbell. Winner Deep Space category of David Malin Awards. "The swirling, fragmented clouds of gas and dust in the Milky Way are always challenging to photograph, and this intriguing image captures its torn and fragmented structure beautifully, turning molecular clouds into a work of art."

Part of the Witch's Broom Nebula in the much larger Veil Nebula. It's 1500 light years away in the constellation Cygnus, the shattered remains of a supernova that exploded thousands of years ago. Fast-moving debris from the explosion creates shock fronts in the surrounds, heating the gas to millions of degrees. (Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration. Acknowledgment: J. Hester (Arizona State University))

NGC 6357 in the constellation Scorpius, the Lobster Nebula. It's a stellar nursery forming some of the more massive stars ever discovered. The overall red glow is ionized hydrogen. The surrounding nebula shows a complex tapestry of gas, dark dust, stars still forming, and newly born stars. (Credit: Davide de Martin) Mona Evans"Cosmic Father's Day" www.bellaonline.c...

Planetary nebula NGC 6153. Located 4000 light years away in the constellation Scorpius. It's the remains of a Sun-like star after it has used up most of its fuel. The outer layers of the star are ejected, and get excited & ionised by UV light from the star's bright hot core. Unusually, the nebula contains lots of neon, argon, oxygen, carbon and chlorine — up to three times more than in the Solar System. And a whopping five times more nitrogen than the Sun! (Credit: ESA/Hubble & NASA)

M42 (Orion Nebula). A Hubble Space Telescope Tribute, oil on Panel cm 28 x 55 x 3, made using a palette knife Technique. (Credit: Davide Sigillò - Florence, Italy)

NGC 4361. Planetary nebula located in the centre of the constellation Corvus (the crow). The nebula surrounds a magnitude 13 star and resembles a faint elliptical galaxy. (Photo: NASA/JPL-Caltech) Mona Evans, "Heavenly Aviaries - Bird Constellations" www.bellaonline.c...

The Chameleon's Dark Nebulae. This starbirth region features dark nebulae that can be seen as the block light from the background stars. Blue reflection nebulae are dotted about, and silvery dust clouds that faintly reflect starlight add mystery. (Credit & Copyright: Andrey Kuznetsov)

Planetary nebula NGC 3242 (Jupiter's Ghost), 3000 LY away in Hydra. Blue glow filling the inner bubble is X-ray emission from gas heated to over 2 million degrees by shocks in strong stellar winds. Green is visible oxygen emission marking the edge of the inner shell. Even cooler gas is shown red from nitrogen eission in the two flame-shaped features – upper right and lower left of the inner bubble. (Image credit: ESA's XMM-Newton, NASA/ESA Hubble Space Telescope)

IC 4592: A Blue Horsehead in the constellation Scorpius. (Credit & Copyright: Rogelio Bernal Andreo) A complex of reflection nebulae whose overall outline suggests the profile of a horse. The characteristic blue hue of reflection nebulae is caused by the tendency of interstellar dust to more strongly scatter blue starlight than red. Mona Evans, "Scorpius the Scorpion", www.bellaonline.c...

International Year of Astronomy, Canadian stamps. The stamp on the left shows Dominion Observatory and the Horsehead Nebula. On the right is CFHT in Hawaii and the Eagle Nebula. The background is the Carina nebula and at the top is the Caterpillar, a Bok Globule. (Credit: My World of Stamps) Mona Evans, "B Is for Bok Globule" www.bellaonline.c...

Colour composite of visible and near-infrared images of Bok globule Barnard 68. At these wavelengths, the small cloud is completely opaque because of the obscuring effect of dust particles in its interior. Mona Evans, "B is for Bok Globule", www.bellaonline.c...

Black Widow Nebula Hiding in the Dust. Raise your hand if you like spiders! This “Black Widow Nebula” is made from “bubbles” being formed in opposing directions by outflows from massive groups of baby stars. Although the dust hides it, It's visible in infrared. (Credit: NASA/JPL-Caltech/S.Carey (Caltech))

This photo shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star. It is located about 3300 light-years away from Earth. (Credit: ESO) Mona Evans, "Saint Patrick's Day - Wearing the Cosmic Green" www.bellaonline.c...

Flame Nebula by Maja Opacic. Painting, oil on canvas. (Reference image credit: NASA, ESA, Hubble Space Telescope

The "Pillars of Creation", in the Eagle Nebula contain EGGs. An EGG (evaporating gas globule) shields dense areas of gas from damaging UV rays, allowing new stars to form. They're about 100 AU in size. Mona Evans, "Nebulae" www.bellaonline.c...

On the edge of M24, the Small Sagittarius Star Cloud, are the Bok globules (small dark nebulae) Barnard 92 and 93. They look rather like large holes in space, but conceal developing protostars. (Credit: Greg Crinklaw) Mona Evans, “Sagittarius the Archer” www.bellaonline.c...

Lagoon Nebula. (Photo: Jerry Lodriguss) A stellar nursery in the constellation Sagittarius, the perfect venue for celestial sailing. It was discovered by French astronomer Guillaume Le Gentil in 1747. The red color that appears in long exposure photos shows that it's an emission nebula where ionized hydrogen is glowing. ©Mona Evans, "Night Sky Olympics" www.bellaonline.c...

NGC 1514, discovered by William Herschel in 1790. It's also known as the Crystal Ball nebula and this image, which is the result of 10 hours of exposure using 4 filters, it certainly looks like one. Herschel would have loved seeing it like this! (Image credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona) Mona Evans, "Nebulae" www.bellaonline.c...

January 2015. New worlds in the habitable zone from Kepler. An artist's conception of one of the newly released exo-worlds, a planet orbiting an ancient planetary nebula. (Credit: David A. Aguilar/CfA)

The dark nebula LDN 483 imaged by ESO's La Silla Observatory in Chile (ESO) Mona Evans, "Nebulae" www.bellaonline.c...