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Image of the Week

Check out the archive for our #RADIOIMAGEOFTHEWEEK

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ALMA antenna
May 25, 2020

ALMA Gets Its First Antenna

On September 23, 2009, the first ALMA antenna was installed on Pad 106 at the 5,050-meter elevation Llano Chajnantor...

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ALMA images of rotating galaxies on a background from the Hubble Space Telescope
May 18, 2020

Astronomers Detect Whirlpool Movement in Early Galaxies

ALMA images of rotating galaxies in the early universe shown on a background from the Hubble Space Telescope.

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May 11, 2020

A Universe Full of Radio Galaxies

Radio galaxies are a subclass of active galactic nuclei (AGN) and, in most cases, display what is known as...

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Illustration of a protoplanetary disk around a young star MWC 480, with molecules in the foreground.
Apr 27, 2020

Hints that Prebiotic Chemistry Is Universal

Artist impression of the protoplanetary disk surrounding the young star MWC 480. ALMA has detected the complex organic molecule...

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An ALMA radio image of the debris disk around the young star HD 107146.
Apr 20, 2020

ALMA image of the dust surrounding the star HD 107146

ALMA image of the dust surrounding the star HD 107146. Dust in the outer reaches of the disk is...

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Aerial photo of VLA antenna and The Barn
Apr 13, 2020

Early Days in the VLA Barn

In the 1970s, the Very Large Array was still under construction in the New Mexico desert. In this aerial...

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Artist's impression of white dwarf and pulsar
Apr 6, 2020

How to Weigh a Pulsar

Pulses from a neutron star (rear) are slowed as they pass near the foreground white dwarf star. The effect,...

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The VLA and ALMA prototype antennas
Mar 30, 2020

ALMA Test Facility and the VLA

When this aerial shot of the Very Large Array was taken, the ALMA Test Facility was still in place....

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ALMA antenna and Transporter
Mar 23, 2020

ALMA and Otto

An ALMA antenna being moved at the Operations Support Facility (OSF) by Otto, one of the two specially designed...

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Pulsar escaping SNR
Mar 16, 2020

Cannonball Pulsar

Observations using the Very Large Array (orange) reveal the needle-like trail of pulsar J0002+6216 outside the shell of its...

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Maintenance tower for the 140-foot telescope
Feb 24, 2020

A Mouthful

The 140-foot telescope in Green Bank gets an upgrade as its prime focus is swallowed by the receiver tower....

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Radio image of Jupiter
Feb 3, 2020

A Comet Hits Jupiter

This pair of radio images taken by the Very Large Array (VLA) shows the planet Jupiter before (left -...

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Image of part of the Orion Nebula
Jan 27, 2020

ALMA Reveals Inner Web of Stellar Nursery

This spectacular and unusual image shows part of the famous Orion Nebula, a star formation region lying about 1350...

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Photo of ten VLA antennas pointing at a cloudy sky at twilight.
Jan 20, 2020

A Cloudy Twilight at the VLA

Clouds linger at twilight over the Karl G. Jansky Very Large Array in its most compact configuration.

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Arp 299
Jan 6, 2020

Arp 299

This colliding pair of galaxies is a region of vigorous star formation which has been investigated for many years....

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VLA Antennas with air traffic lights
Dec 30, 2019

Aircraft Lights Atop the VLA

In the early days of the Very Large Array, each 25-meter antenna had an aircraft warning light set atop...

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Abell 2256
Nov 11, 2019

Abell 2256

Abell 2256, in a "true color" radio image made with the VLA

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Cosmic Eyelash
Oct 28, 2019

A Cosmic Eyelash Reveals New Information on Star Formation

This ALMA image shows the Cosmic Eyelash, a remote starburst galaxy that appears double and brightened by gravitational lensing....

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OMC-1
Oct 21, 2019

ALMA and the OMC-1

This animation shows the motions of the gas streamers emanating from the OMC-1 star-forming region in Orion as seen...

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Artist's impression of supermassive black hole in M87
Sep 30, 2019

Model of a Black Hole

Deep inside the monster galaxy M87 is a supermassive black hole. In this artist's model, the black hole is...

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Cassiopeia A
Sep 23, 2019

Cassiopeia A

Cassiopeia A is the remnant of a supernova explosion that appeared in our sky over 300 years ago in...

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VLA Transporter
Sep 9, 2019

A VLA Transporter stopped on the tracks

There are only two Antenna Transporters at the Very Large Array that are used to move antennas into new...

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ALMA Control Room
Aug 26, 2019

ALMA Control Room

ALMA astronomers and telescope operators occupy this control room 24-hours a day, seven days a week. When this photo...

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Illustration of gas swirling around a young star.
Jul 29, 2019

A Star Turns On

In this artist's interpretation, the spinning disk of a newly-forming star swirls the gas around it in a counter-clockwise...

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Still from video on ALMA
Jul 8, 2019

#WAWUA – ALMA is a Timemachine!

With colorful artwork and clever animations, these short videos delve into topics that explain the fundamentals of radio astronomy,...

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The VLA
Jul 1, 2019

A Young VLA

The Very Large Array in December of 1979, one month after the final and 28th antenna had been delivered.

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Jun 24, 2019

ngVLA: Together We See More

The Atacama Large Millimeter/submillimeter Array (ALMA) has shown us young star systems where planets are forming. The next-generation Very...

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Jun 17, 2019

ngVLA Artist Impressions: Galaxy Assembly Through Cosmic Time

In June of 2017, NRAO invited four artists to a conference at New Mexico Institute of Mining and Technology...

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Still from video on ALMA
Jun 3, 2019

#WAWUA – We are Stardust!

With colorful artwork and clever animations, these short videos delve into topics that explain the fundamentals of radio astronomy,...

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VLASS Comparison
May 27, 2019

Sharper Image of Galaxy with VLASS

The sharpest radio view ever made of such a large portion of the sky! This galaxy, observed by the...

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Images of AT2018cow
May 13, 2019

ALMA and VLA Images of AT2018cow

ALMA and VLA images of the mysterious new type of cosmic blast, AT2018cow at left. Visible-light image of outburst...

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The GBT
May 6, 2019

In a Frame of Color

The Green Bank Telescope (GBT) is always picture-perfect when autumn comes to its gorgeous West Virginia home.

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Blazar diagram
Apr 15, 2019

AGNs Seen at Different Angles

One type of active galactic nuclei (AGN) -- a supermassive black hole that is gobbling up gas and dust...

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VLBA image of center of galaxy 0402+379.
Apr 1, 2019

VLBA Reveals First-Ever Black Hole “Visual Binary”

VLBA image of the central region of the galaxy 0402+379, showing the two cores, labeled C1 and C2, identified...

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Mar 11, 2019

ngVLA Artist Impressions: Time Domain, Cosmology, Physics Sketches

In June of 2017, NRAO invited four artists to a conference at New Mexico Institute of Mining and Technology...

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The VLA
Mar 4, 2019

The Backs of the VLA Dishes

The Very Large Array antennas dip in formation to observe a target in the southwest sky. Radio telescopes can...

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Karl Jansky and his map of the Milky Way
Feb 18, 2019

Karl Jansky with his Milky Way Map

Karl Guthe Jansky joined the staff of the Bell Telephone Laboratories in Holmdel, New Jersey in 1928. While hunting...

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Feb 11, 2019

A Dish as White as Snow

The paint on the Green Bank Telescope (GBT) is a special blend that reflects sunlight, gives off heat to...

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VLA antenna
Jan 21, 2019

Beyond The Visible: The Story of the Very Large Array

This 24-minute production explores the synergies of technology and human curiosity that power the world's most productive radio telescope.

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Dec 24, 2018

ngVLA Artist Impressions: Cradle of Life

In June of 2017, NRAO invited four artists to a conference at New Mexico Institute of Mining and Technology...

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ALMA durring a snowstorm
Dec 17, 2018

Stormy Sunset Over ALMA

A break in the clouds during a snowstorm creates a dramatic scene at the Atacama Large Millimeter/submillimeter Array in...

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Artist impression of Abell 2597
Dec 3, 2018

Inflow, Outflow Cycle of Gas Near Black Hole

Artist impression of Abell 2597 showing the central supermassive black hole expelling cold, molecular gas -- like the pump...

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Scott Ransom
Nov 26, 2018

Scott Ransom: Part 10 Black Holes

Scott Ransom, an astronomer at NRAO, talks about black holes.

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Artist's impression of 3C 120
Nov 19, 2018

Animation of a Black Hole

Artist's conception of region near the supermassive black hole inside the radio galaxy known as 3C 120, where twisted...

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Artist's impression of galaxy cluster
Nov 5, 2018

ALMA Sees Cosmic Collision

Peering deep into space — an astounding 90 percent of the way across the observable universe — astronomers have...

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M33
Oct 29, 2018

The Triangulum Galaxy in Radio and Optical

Galaxies contain hundreds of billions of stars. They often group together in clusters, with a history of sharing and...

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Artist impression of a pair of galaxies from the very early universe.
Oct 15, 2018

Primordial Galaxies Swimming in Vast Ocean of Dark Matter

Artist impression of a pair of galaxies from the very early universe. Ongoing observations with the Atacama Large Millimeter/submillimeter...

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Oct 8, 2018

Fly Through HL Tau with NRAO Telescopes

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Radio image of the protoplanetary disk around young star HL Tau.
Oct 1, 2018

HL Tau: Birth of Planets Revealed in Astonishing Detail

ALMA image of the young star HL Tau and its protoplanetary disk. This best image ever of planet formation...

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HL Tau
Sep 24, 2018

NRAO Video Webcast: HL Tau

NRAO Director Tony Beasley discusses the impact of ALMA's new high resolution observations of HL Tau.

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Prototype ALMA antennas
Dec 2, 2019

First Fringes of ALMA Prototypes

In March of 2007, two ALMA prototype antennas were linked together at the Very Large Array in New Mexico...

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Nov 4, 2019

Aerial Shot of the Long Wavelength Array

Looking down on the 256 white, tent-shaped antennas of the Long Wavelength Array (LWA). Like the Very Large Array,...

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Jan 28, 2019

Interpreting Science through Art. Time Domain Astronomy and the Next-Generation Very Large Array

In June of 2017, NRAO invited four artists to a conference at New Mexico Institute of Mining and Technology...

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Oct 22, 2018

VLBI Network of Telescopes Bring Astronomers Closer to Understanding Dark Matter

Gravitational lensing allows astronomers to observe incredibly distant radio sources that cannot be directly detected. By observing how the...

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ALMA image of MWC 758
Sep 17, 2018

Spiral Arms and Dusty Clumps Seen in ‘Rare Breed’ of Protoplanetary Disk

Recent ALMA observations have reshaped our understanding of protoplanetary disks, the planet-forming regions around young stars. A striking new...

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ALMA image of the protoplanetary disk surrounding the young star HD 163296
Sep 10, 2018

ALMA Finds Compelling Evidence for Pair of Infant Planets around Young Star

ALMA image of the protoplanetary disk surrounding the young star HD 163296 as seen in dust. New observations suggested...

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85-foot Tatel Telescope
Aug 27, 2018

Gazing Upon Our First Telescope

The newly assembled 85-foot Howard E. Tatel telescope in Green Bank, West Virginia was the first radio telescope of...

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Milky Way Galaxy
Aug 13, 2018

Across the Milky Way (teal version)

A radio and infrared wave panorama of a section of the Milky Way in the constellations of Scutum and...

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7-meter ALMA antennas
Jul 30, 2018

A Quartet of 7-meter Antennas

Four 7-meter Japanese ALMA telescopes are being readied for final testing and acceptance by ALMA at the Operations Support...

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