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Tag: Science
Tag: Bad Astronomy
Tag: Black Holes
Astronomers watch the aftermath of a star ripped apart by a middleweight black hole
Phil Plait
Jun 27, 2018
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Artwork_blackhole_starArtist’s conception of a star getting eaten by a black hole, with material ripped from the falling down into the black hole and forming a hot disk. Credit: ESA, NASA and Felix Mirabel
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Tag: Bad Astronomy
Tag: Black Holes
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
Astronomers watch the aftermath of a star ripped apart by a huge black hole
Phil Plait
Jun 19, 2018
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Artwork depicting a star torn apart by a black hole in Arp 299, with a beam of material blasting away. Credit: Sophia Dagnello, NRAO/AUI/NSF; NASA, STScI
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Tag: Bad Astronomy
Tag: galaxies
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Get ready: A star will pass pretty close to the Sun in just 1.3 million years
Phil Plait
Jun 4, 2018
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Gleise 710 (center), an orange dwarf, will one day become the closest star to our Sun. Credit: SIMBAD / DSS
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Tag: Bad Astronomy
Tag: Stars
Tag: Science
Tag: Bad Astronomy
Tag: TESS
First light for TESS!
Phil Plait
May 21, 2018
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A chunk of sky near Beta Centauri (the bright star near the bottom) seen by the TESS spacecraft in its very first image. Credit: NASA / MIT / TESS
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Tag: Bad Astronomy
Tag: TESS
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Tag: Universe
A glimpse of oxygen at the edge of space reveals stars born just after the Universe itself
Phil Plait
May 17, 2018
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The galaxy cluster MACSJ1149.5+223 lies in the foreground and magnifies the image of the much more distant JD1, a galaxy 13.3 billion light years away. Inset is the observation of oxygen from the galaxy.
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Tag: Universe
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Tag: Bad Astronomy
Tag: Milky Way
My god. It *is* full of stars.
Phil Plait
May 7, 2018
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The galactic center, a crowded metropolis of stars and dust. Credit: ESO/VVV Survey/D. Minniti & Acknowledgement: Ignacio Toledo
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Tag: Milky Way
Tag: Science
Tag: Bad Astronomy
Tag: Milky Way Galaxy
The Sun's motion, reflected in the galaxy
Phil Plait
Apr 27, 2018
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The entire sky — 1.7 billion stars’ worth — mapped by Gaia and displayed using color information also obtained by the satellite. You can see we live in a flat galaxy with a large central bulge, festooned with dark filaments of dust. Credit: Gaia/DPAC/ESA
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Tag: Bad Astronomy
Tag: Milky Way Galaxy
Tag: Science
Tag: ESA
Tag: European Space Agency
Second Gaia star chart has been released, providing the most comprehensive view of the galaxy to date
Blair Marnell
Apr 25, 2018
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ESA Gaia
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Tag: ESA
Tag: European Space Agency
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Tag: Bad Astronomy
Tag: brown dwarfs
Are we overlooking a lot of nearby brown dwarfs?
Phil Plait
Apr 17, 2018
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Artist drawing of a solitary brown dwarf in space, glowing feebly in visible light. Credit: NASA/JPL-Caltech
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Tag: brown dwarfs
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Tag: globular clusters
A precise distance for an ancient beauty
Phil Plait
Apr 5, 2018
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The center of the globular cluster NGC 6397 is a spectacular assortment of hundreds of thousands of stars. Credit: NASA, ESA, and T. Brown and S. Casertano (STScI)  Acknowledgement: NASA, ESA, and J. Anderson (STScI)
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Tag: globular clusters
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Tag: Stars
The farthest star
Phil Plait
Apr 2, 2018
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Omega Centauri
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Tag: Stars
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Tag: supermassive black holes
A star is about to plunge head first toward a monster black hole. Astronomers are ready to watch.
Phil Plait
Mar 7, 2018
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Artwork depicting three stars and their orbits around Sgr A*, the supermassive black hole in the center of the Milky Way. Credit: ESO/M. Parsa/L. Calçada
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Tag: supermassive black holes
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Tag: cosmology
How fast is the Universe expanding? The answer depends on how you measure it, and that's a problem
Phil Plait
Feb 26, 2018
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This is the Hubble Ultra Deep Field, and almost everything you see in it is a distant galaxy, billions of light years away. Credit: NASA, ESA, H. Teplitz and M. Rafelski (IPAC/Caltech), A. Koekemoer (STScI), R. Windhorst (Arizona State University), and Z.
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Tag: cosmology
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Tag: Stars
Hiding a star cluster is Sirius business
Phil Plait
Feb 23, 2018
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The Gaia 1 cluster can be seen as a knot of stars just to the left of Sirius (which itself was masked out to prevent its glare from overwhelming the image). Credit: Harald Kaiser
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Tag: Stars
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Tag: Proxima Centauri
What mysteries lurk at Proxima Centauri?
Phil Plait
Feb 22, 2018
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Artist concept of a planet known to orbit the nearest star to our own, Proxima Centauri. Credit: ESO / M. Kornmesser
Tag: Science
Tag: Bad Astronomy
Tag: Proxima Centauri