Tag Archive for 'ALMA'

Astronomers Find Evidence for Stars Forming Only 250 Million Years after Big Bang

May 17, 2018 by News Staff

An international team of astronomers has used observations from ESO’s Very Large Telescope (VLT) and the Atacama Large Millimeter/submillimeter Array...

An artist’s concept of a star-forming cloud. Image credit: © Sci-News.com.

New Study Casts Doubt on Currently Accepted Theories of Star Formation

May 1, 2018 by News Staff

An international team of astronomers has found that long-held assumptions about the relationship between the mass of star-forming clouds of dust and gas...

This artist’s impression of SPT2349-56 shows a group of interacting and merging galaxies in the early Universe. Image credit: M. Kornmesser / ESO.

Astronomers Discover Two Massive Protoclusters of Young Galaxies in Early Universe

Apr 26, 2018 by News Staff

Peering deep into space — an astounding 90% of the way across the observable Universe — two groups of astronomers led by University of Edinburgh’s...

ALMA and IRAM Telescopes Reveal Inner Web of Orion Nebula

Mar 7, 2018 by Enrico de Lazaro

New data from the Atacama Large Millimeter/submillimeter Array (ALMA) and the IRAM 30-m telescope have been used to create one of the largest high-resolution...

Artist’s impression of an infant star still surrounded by a protoplanetary disk in which planets are forming. Image credit: L. Calçada / ESO.

Giant Exoplanet Creates Gaps in Protoplanetary Disk around Young Star AS 209

Mar 6, 2018 by Natali Anderson

Nestled in the Ophiuchus star-forming region, approximately 410 light-years from the Sun, a fascinating protoplanetary disk around the young star AS 209...

ALMA Records Giant Stellar Flare on Proxima Centauri

Feb 27, 2018 by News Staff

Using data from the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers discovered that a giant stellar flare erupted from Proxima Centauri...

Artist’s impression of the dusty gaseous torus around an active supermassive black hole. Image credit: ALMA / ESO / NAOJ / NRAO.

ALMA Spots Rotating Dusty Gaseous Torus around Messier 77’s Central Black Hole

Feb 15, 2018 by News Staff

High resolution observations using the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed the presence of a rotating dusty gaseous torus...

ALMA detected methanol, dimethyl ether, and methyl formate in the Large Magellanic Cloud. The far-infrared image on the left shows the full galaxy. The zoom-in image shows the star-forming region observed by ALMA. It is a combination of mid-infrared data from Spitzer and visible (H-alpha) data from the Blanco 4-m telescope. Image credit: NRAO / AUI / NSF / ALMA / ESO / NAOJ / Herschel / ESA / NASA / JPL-Caltech / NOAO.

ALMA Detects Complex Organic Molecules in Large Magellanic Cloud

Feb 1, 2018 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have uncovered chemical ‘fingerprints’ of three complex organic molecules...

Artist’s impression of a galaxy in the early Universe. Image credit: Amanda Smith, University of Cambridge.

ALMA Detects ‘Whirlpool’ Movement in Two Early Galaxies

Jan 10, 2018 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have spotted swirling gas in some of the Universe’s earliest galaxies. Artist’s...

Artist’s impression of a pair of galaxies from the early Universe. Image credit: NRAO / AUI / NSF / D. Berry.

ALMA Finds Two Extremely Massive Star-Forming Galaxies in Very Early Universe

Dec 7, 2017 by News Staff

New observations with the Atacama Large Millimeter/submillimeter Array (ALMA) push back the epoch of massive-galaxy formation even further by identifying...

An ALMA image of the center of the Milky Way Galaxy showing the location of 11 young protostars within about 3 light-years of Sagittarius A*. The lines indicate the direction of the bipolar lobes created by high-velocity jets from the protostars. The illustrated star in the middle of the image indicates the location of Sagittarius A*. Image credit: ALMA / Yusef-Zadeh et al / B. Saxton / ESO / NAOJ / NRAO / AUI / NSF.

ALMA Spots Eleven Protostars near Milky Way’s Central Black Hole

Nov 30, 2017 by News Staff

The Atacama Large Millimeter/submillimeter Array (ALMA) has revealed the telltale signs of 11 low-mass stars forming close – within just 3 light-years...

This image from the Atacama Large Millimeter/submillimeter Array shows a central ring of matter and a crescent structure within the circumstellar disk around V1247 Orionis. Image credit: ALMA / ESO / NAOJ / NRAO / S. Kraus, University of Exeter.

Astronomers Find Dust Trap in Circumstellar Disk around V1247 Orionis

Nov 28, 2017 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have identified a so-called dust trap — a region where dust particles can...

Artist’s impression of two starburst (star-forming) galaxies beginning to merge in the early Universe. Image credit: NRAO / AUI / NSF.

ALMA Spots Pair of Extremely Rare Hyper-Luminous Starburst Galaxies

Nov 13, 2017 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a pair of astoundingly bright and spectacularly massive galaxies...

The starburst galaxy NGC 253 and the radio spectra obtained with ALMA. Image credit: ESO / J. Emerson / VISTA / ALMA / NAOJ / NRAO / Ando et al / Cambridge Astronomical Survey Unit.

ALMA Spots Huge ‘Molecular Reservoir’ in Nearby Starburst Galaxy NGC 253

Nov 7, 2017 by News Staff

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found eight molecular clouds in the heart of NGC 253, an active starburst...

This artist’s impression shows how the newly-discovered dust belts around Proxima Centauri may look. This sketch is not to scale -- to make Proxima b clearly visible it has been shown further from the star and larger than it is in reality. Image credit: M. Kornmesser / ESO.

Astronomers Find Two Dust Belts around Proxima Centauri

Nov 5, 2017 by News Staff

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have detected dust belts around Proxima Centauri, the star closest to our Sun....

Freon-40 discovered by ALMA around the infant stars in the IRAS 16293-2422 system. Image credit: B. Saxton / NRAO / AUI / NSF / NASA / JPL-Caltech / UCLA.

Freon-40 Detected around Protostars and Comet 67P/Churyumov-Gerasimenko

Oct 6, 2017 by News Staff

Using data gathered by the Atacama Large Millimeter/submillimeter Array (ALMA) and the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis (ROSINA)...

This ALMA image reveals much finer structure in the U Antliae shell than has previously been possible. Image credit: ALMA / ESO / NAOJ / NRAO / F. Kerschbaum.

ALMA Captures Smoky Bubble around Carbon Star U Antliae

Sep 21, 2017 by News Staff

New observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed a remarkably thin spherical shell around U Antliae, a star...

Astronomers Detect Methylidynium in Distant Star-Forming Galaxies

Aug 31, 2017 by News Staff

For the first time, astronomers have detected the presence of CH+ — an ion of the CH molecule known as methylidynium to chemists — in distant...

Titan is shown in an optical-infrared (atmosphere-surface) composite from NASA’s Cassini spacecraft. In a liquid methane environment, vinyl cyanide may form membranes. Image credit: B. Saxton / NRAO / AUI / NSF / NASA.

ALMA Detects Vinyl Cyanide in Atmosphere of Titan

Jul 30, 2017 by News Staff

Researchers using archival data from the ALMA (Atacama Large Millimeter/submillimeter Array) have found evidence that molecules of vinyl cyanide, also...

This is an artist's impression of the SN 1987A remnant. The image is based on real data and reveals the cold, inner regions of the remnant, in red, where tremendous amounts of dust were detected and imaged by ALMA. This inner region is contrasted with the outer shell, lacy white and blue circles, where the blast wave from the supernova is colliding with the envelope of gas ejected from the star prior to its powerful detonation. Image credit: ALMA / ESO / NAOJ / NRAO / Alexandra Angelich, NRAO / AUI / NSF.

Supernova Remnant SN 1987A Reveals Clues to How Stars are Born

Jul 11, 2017 by News Staff

Using the Atacama Large Millimeter/submillimeter Array (ALMA), two teams of astronomers have discovered a rich inventory of molecules at the center of...

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