galaxies

The Andromeda Galaxy grew by eating smaller galaxies. Credit: Local Group Survey Team and T.A. Rector (University of Alaska Anchorage) / Phil Plait
The Andromeda Galaxy ate its small friends… twice
Phil Plait
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Tag: Bad Astronomy
Tag: Andromeda galaxy
Tag: globular clusters
Tag: Milky Way Galaxy
Tag: Hubble Space Telescope

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A little gorgeousness for you, c/o the spiral galaxy M61
Phil Plait
Aug 23, 2019
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The center of the galaxy M61 shows the spiral pattern goes right down to the core. Credit: ESA/Hubble & NASA, Acknowledgement: Det58
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Solving the riddle of the edge-on galaxy NGC 5866
Phil Plait
Aug 12, 2019
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A deep image of NGC 5866 reveals huge streams of stars looping around it; clear evidence of a recent galactic collision. Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona
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Tag: supermassive black holes
Measuring a monster: The two *billion* solar mass black hole in NGC 3258
Phil Plait
Aug 8, 2019
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Artwork depicting the inner ring of gas and dust around the accretion disk, with the supermassive black hole directly in the center powering everything. Credit: ALMA (ESO/NAOJ/NRAO)
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Tag: Milky Way Galaxy
Our galaxy is warped!
Phil Plait
Aug 5, 2019
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The ages of the Cepheid stars observed are mapped against a schematic of the Milky Way by color: Blue is youngest and red oldest; note how younger stars are closer to the center. The Sun’s position is marked by the yellow “sun” symbol. Credit: J. Skowron
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Tag: Milky Way Galaxy
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NGC 1569: A nearby galaxy bursting with star birth
Phil Plait
Jul 17, 2019
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The nearby dwarf galaxy NGC 1569 is bursting with new stars.
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Battle of the bulges: Have astronomers been wrong about spiral galaxies all this time?
Phil Plait
Jun 12, 2019
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The flocculent spiral galaxy NGC 2841. Credit: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration 
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Where did this tiny ghostly galaxy Segue-1 come from?
Phil Plait
Jun 11, 2019
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The location of the teeny tiny galaxy Segue-1, which is pretty much too faint to even see in this image, despite being right in the center. Credit: SIMBAD / DSS
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An amateur astronomer has discovered a nearby galaxy!
Phil Plait
Jun 3, 2019
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The faint galaxy Donatiello I seen in a small telescope (left) shows it near the very bright star Mirach; the same field as the inset box using the 10.4 meter Gran Telescopio Canarias (right). Credit: Martínez-Delgado et al.
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A galaxy torn apart blasts out a six-million-degree scream
Phil Plait
May 29, 2019
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The face-on spiral galaxy is lovely in optical light (blue) but has a very big secret in X-rays (purple). Credit: X-ray: NASA/CXC/Huntingdon Inst. for X-ray Astronomy/G.Garmire, Optical: ESO/VLT
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NGC 5866, an edge-on galaxy, shows off its spectacular dust lane
Phil Plait
May 17, 2019
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Our vantage angle on NGC 5866 emphasizes its spectacular lane of dust, as seen here in this Hubble image. Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA)
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Tag: Hubble Space Telescope
The Legacy of Hubble: One image, a quarter MILLION galaxies
Phil Plait
May 3, 2019
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Detail of the Hubble Deep Field shown at nearly full resolution.
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Gaia: The sky is littered with undigested galaxies
Phil Plait
Apr 22, 2019
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Stars in some of the stellar streams recently discovered using Gaia data superposed on a map of the galaxy. Credit: ESA/Gaia/DPAC
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Tag: Supernova
For the first time, astronomers see the birth of a neutron star binary system
Phil Plait
Apr 15, 2019
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Artwork showing the moment of the neutron star collision, with beams of energy shooting out and gravitational waves shaking ripples in the space-time continuum. Credit: NSF/LIGO/Sonoma State University/A. Simonnet
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Tag: active galaxies
Astronomers spot a massive doughnut of material around quasar Cygnus A’s supermassive black hole
Phil Plait
Apr 3, 2019
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Cygnus A
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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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