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Cosmic recycling in the Prawn Nebula
Dominating this image is the so-called Prawn Nebula, part of the gigantic nebula Gum 56, some 6,000 light-years away in Scorpius. For millions of years stars have been born out of the nebula’s gas, material which is later returned to the stellar nursery when the aging stars either expel their material gently into space, or eject it more dramatically in supernova explosions.
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“Orion Nebula, M42” by Patrick Gilliland
Nomination number 11 from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. The 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.
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Messier 96: a galactic maelstrom
This new Hubble image shows Messier 96 (M96 or NGC 3368), a spiral galaxy in the constellation Leo that lies about 35 million light-years away. About the same mass and size as the Milky Way, M96 resembles a giant maelstrom of glowing gas, rippled with dark dust along asymmetric arms that swirl inwards towards the nucleus.
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Entranced by a transit of Dione
Saturn’s 698-mile-wide moon Dione crosses the face of the giant planet in a phenomenon known as a transit. Transits play an important role in astronomy and can be used to study the orbits of planets and their atmospheres, both in our solar system and in others. By carefully observing and timing transits, scientists can more precisely determine the orbital parameters of planetary moons.
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Hubble resolves youthful globular cluster NGC 1783
This Hubble Space Telescope image shows globular cluster NGC 1783 in the Southern Hemisphere constellation of Dorado. NGC 1783 lies within the Large Magellanic Cloud, a satellite galaxy of our Milky Way, some 160,000 light-years from Earth. NGC 1783 is thought to be less than 1.5 billion years old — very young for a globular cluster.
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Hubble’s new view of the Butterfly Nebula
This new NASA/ESA Hubble Space Telescope image of the Twin Jet Nebula highlights the shimmering colours, shells and knots of expanding gas in striking detail. Two iridescent lobes of material stretch outwards from a central star system. Within these lobes two huge jets of gas are streaming from the star system at speeds in excess of one million kilometres per hour.
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Herschel sees feathery filaments in Mon R2
Fierce flashes of light ripple through delicate tendrils of gas in this new image, from ESA’s Herschel Space Observatory, which shows the dramatic heart of a large and dense cosmic cloud known as Mon R2 in the constellation Monoceros that lies eight degrees east of the Orion Nebula. Mon R2 lies some 2700 light-years away and is studded with hot, newly-formed stars.
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Sun emits a mid-level solar flare on 24 August
The Sun emitted a mid-level solar flare, peaking at 8:33am BST on 24 August 2015. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured the image of the event shown here. Although harmful radiation from such a flare cannot pass through Earth’s atmosphere, intense flares can disturb the atmosphere in the layer where GPS and communications signals travel.
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“Great Nebula in Carina” by Terry Robison
Our tenth nomination from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. The 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.