ALMA

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Tag: Bad Astronomy
Tag: planetary nebula
Tag: Red Giant
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Tag: Science
Tag: Bad Astronomy
Tag: planetary nebula
Threading a cosmic needle: A fleeting glimpse of a dying star's final moments
Phil Plait
Dec 31, 2020
W43A is a rare beast: The expanding gas from a star that’s just beginning its final stage of dying. Credit: ALMA (ESO/NAOJ/NRAO), Tafoya et al.
Tag: Science
Tag: Bad Astronomy
Tag: planetary nebula
Tag: Science
Tag: Bad Astronomy
Tag: protoplanetary disks
A planet eats a disk while the disk eats a nebula. It’s eating all the way down
Phil Plait
Dec 23, 2020
Artwork of a planet forming in a young star’s disk. Credit: NAOJ
Tag: Science
Tag: Bad Astronomy
Tag: protoplanetary disks
Tag: Science
Tag: Bad Astronomy
Tag: venus
UPDATE: Life above hell? Serious doubt cast on Venus phosphine finding
Phil Plait
Oct 26, 2020
Processed image from the Japanese Akatsuki spacecraft showing Venus in ultraviolet (left) which emphasizes clouds, and infrared (right) which shows its thermal signature. Credit: JAXA/ISAS/DARTS/Kevin M. Gill
Tag: Science
Tag: Bad Astronomy
Tag: venus
Tag: Science
Tag: Bad Astronomy
Tag: planetary nebula
Cosmic flowers bloom as stars begin to die
Phil Plait
Sep 22, 2020
ALMA observation of the gas around the dying star R Aquilae showing complex spirals and arcs. Credit: ALMA (ESO/NAOJ/NRAO), Decin et al.
Tag: Science
Tag: Bad Astronomy
Tag: planetary nebula
Tag: Science
Tag: Bad Astronomy
Tag: venus
So, astronomers *may* have found evidence of life on Venus
Phil Plait
Sep 14, 2020
Venus in ultraviolet shows interesting — and difficult to explain — contrasts in the cloud blanket. Credit: JAXA / ISAS / DARTS / Damia Bouic
Tag: Science
Tag: Bad Astronomy
Tag: venus
Tag: Science
Tag: Bad Astronomy
Tag: Stars
A triple-star gravitational dance creates ridiculously complex sculptures
Phil Plait
Sep 8, 2020
Observations of the trinary star GW Ori (right) show it’s surrounded by a complex system of gas and dust, depicted in artwork (left) showing tilted rings and warped disks. Credit: ESO/L. Calçada, Exeter/Kraus et al.
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
The mysterious spirals of RU Lupi
Phil Plait
Aug 18, 2020
The very young star RU Lupi is surrounded by vast spiral arms of cold carbon monoxide gas that extends for 150 billion km from the star. Credit: ALMA (ESO/NAOJ/NRAO), J. Huang and S. Andrews; NRAO/AUI/NSF, S. Dagnello
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
Tag: Science
Tag: Bad Astronomy
Tag: Hubble Space Telescope
The spectacular ins and outs of starbirth
Phil Plait
Jul 14, 2020
Stars and gas seen by Hubble (red and yellow) together with long filaments of cold gas by ALMA (purple) start to show a complete picture of star formation. Credit: ALMA (ESO/NAOJ/NRAO), Y. Cheng et al.; NRAO/AUI/NSF, S. Dagnello; NASA/ESA Hubble.
Tag: Science
Tag: Bad Astronomy
Tag: Hubble Space Telescope
Tag: Science
Tag: Bad Astronomy
Tag: Antares
Wait. *How* big is Antares?
Phil Plait
Jun 23, 2020
A radio image of Antares using ALMA (left) shows the star’s immense chromosphere, and then shows that in comparison to observations with VLA (right) that show the wind blowing from the star. The material on the right is lit by the binary companion star to
Tag: Science
Tag: Bad Astronomy
Tag: Antares
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
How did this galaxy emerge from the chaos just 1.5 billion years after the big Bang?
Phil Plait
May 25, 2020
Artwork depicting the Wolfe Galaxy, a massive disk galaxy similar to the Milky Way that was already well formed when the Universe was 1.5 billion years old. Credit: NRAO/AUI/NSF, S. Dagnello
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
Tag: Science
Tag: Bad Astronomy
Tag: Comets
A tale of two comets: ATLAS shrugs, Borisov is finally weird
Phil Plait
Apr 23, 2020
Comet C/2019 Y4 (ATLAS) glows green due to the presence of diatomic carbon, common in comets. Credit: Damian Peach
Tag: Science
Tag: Bad Astronomy
Tag: Comets
Tag: Science
Tag: Bad Astronomy
Tag: binary stars
HD 101584: A binary star casts out a bizarre hourglass of gas
Phil Plait
Feb 5, 2020
Gas ejected from the binary star system HD 101584 forms an overall hourglass-shaped nebula. Colors represent velocities: Red is away from us, blue toward us, and green neither toward nor away. Credit: ALMA (ESO/NAOJ/NRAO), Olofsson et al.
Tag: Science
Tag: Bad Astronomy
Tag: binary stars
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
Three supermassive black holes? In the galactic chaos of NGC 6240, ALMA sees just two
Phil Plait
Jan 14, 2020
Artwork depicting the chaos of galactic collision: NGC 6240 is two galaxies colliding, each with their own supermassive black hole surrounded by huge amounts of gas. Credit: Credit: NRAO/AUI/NSF, S. Dagnello
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
Countdown: Top Ten ALMA observations of 2019
Phil Plait
Dec 27, 2019
Some of the dishes comprising ALMA, the Atacama Large Millimeter/submillimeter Array in the high desert plain of Chile. The Large and Small Magellanic Clouds, companion galaxies to the Milky Way, can be seen above them. Credit: ESO/ C. Malin
Tag: Science
Tag: Bad Astronomy
Tag: ALMA
Tag: Science
Tag: Bad Astronomy
Tag: Supernova
Has Supernova 1987A's elusive neutron star finally been found?
Phil Plait
Nov 25, 2019
hst_chandra_sn87a
Tag: Science
Tag: Bad Astronomy
Tag: Supernova