Spiral Galaxies

The flocculent spiral galaxy NGC 2841. Credit: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration 
Battle of the bulges: Have astronomers been wrong about spiral galaxies all this time?
Phil Plait

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SPECULOOS (yes, seriously), a new exoplanet hunter, comes online
Phil Plait
Apr 26, 2019
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The Horsehead Nebula is named for obvious reasons; a thick clot of dust seen against glowing hydrogen gas. Credit: SPECULOOS Team/E. Jehin/ESO
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Facing the incomprehensible beauty of M 61
Phil Plait
Mar 28, 2019
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The spectacular spiral galaxy M61, observed by the 8.2-meter Very Large Telescope. Credit: ESO
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ALMA sees 100,000 stellar nurseries in nearby galaxies
Phil Plait
Mar 26, 2019
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The nearby spiral galaxy M 100 observed by ALMA (left) reveals the locations of star-forming nebulae; compare that to an image taken using the Very Large Telescope (right) in optical light
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Prelude to galactic catastrophe
Phil Plait
Feb 22, 2019
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NGC 6769 (right) and 6770 (left) are two spiral galaxies on their way to a massive collision. Credit: NASA/ESA/ESO/Judy Schmidt
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M33 Followup: The massive and fierce beauty of an enormous stellar nursery
Phil Plait
Feb 5, 2019
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NGC 604, a mighty gas cloud in the nearby galaxy M33. Credit: NASA, ESA, and M. Durbin, J. Dalcanton, and B.F. Williams (University of Washington) / J. Hester / J. Westphal / D. Garnett / Judy Schmidt
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T R I A N G U L U M
Phil Plait
Feb 4, 2019
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The core of M33 (center) is the location of a huge cluster of stars born relatively recently — 70 or so million years ago. Credit: NASA, ESA, and M. Durbin, J. Dalcanton, and B.F. Williams (University of Washington)
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Overlapping galaxies
Phil Plait
Jan 8, 2019
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Two overlapping galaxies, some 800 million light years away, were captured by Hubble accidentally while viewing a much closer galaxy (NGC 253, off screen to the right).
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Warp into a galaxy
Phil Plait
Dec 14, 2018
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NGC 5084, a lovely but odd disk galaxy with an obviously warped disk. Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona
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The Milky Way’s sibling spiral star system
Phil Plait
Oct 19, 2018
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The central region of the gorgeous spiral galaxy NGC 6744, imaged using the Hubble Space Telescope. Credit: NASA, ESA, and the LEGUS team
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Will they or won't they? Two galaxies that probably won't become one
Phil Plait
Jun 11, 2018
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NGC 5426 (right) and NGC 5427 (left), together known as Arp 271, are close enough to each other to be interacting. Credit: ESO/Juan Carlos Muñoz​​​​​​​
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The spectacular Sunflower Galaxy M63
Phil Plait
Jun 8, 2018
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The inner regions of the nearby spiral galaxy M63 show patchy flocculence all the way into the center. Credit: ESA/Hubble & NASA
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Hubble + nearby galaxies = galactic gorgeousness
Phil Plait
May 18, 2018
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The nearby spiral galaxy M96, observed by Hubble Space Telescope. Credit: NASA, ESA, and the LEGUS team
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NGC 1398: An utterly perfect spiral galaxy
Phil Plait
Jan 26, 2018
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NGC 1398, a barred spiral galaxy that is, quite simply, gorgeous. Credit: ESO
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To search for the one-armed spiral…
Phil Plait
Jan 18, 2018
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NGC 4625, a relatively nearby dwarf spiral galaxy with an asymmetric spiral structure. Credit: ESA/Hubble & NASA
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Two galaxies that pass in the night. Rapidly.
Phil Plait
Jan 9, 2018
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The galaxies collectively known as IRAS 06076-2139 are weakly interacting, but they’ve had an exciting past. Credit: ESA/Hubble & NASA
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