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2019 ALMA Top 10 2021 Science Highlights AAS June 2023 ALMA Astrophotography Project AR Models CDL Co-op Program Stories Desktop/Video Chat Backgrounds Image of the Week Jansky Lectures ngVLA Artist Impressions ngVLA Science Goals PHANGS-ALMA Catalog 2021 The Baseline VERTICO VLA Astrophotography Project VLASS Women in Astronomy IV 2017

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ALMA images of the planet-forming disk with misaligned rings around triple star system GW Orionis. The image on the right is made with ALMA data taken in 2017 from Bi et al. The image on the left is made with ALMA data taken in 2018 from Kraus et al.

ALMA images of triple star system GW Orionismore_horiz

ALMA image of the planet-forming disk around the young star RU Lup, showing a giant set of spiral arms made out of gas. The structure extends to nearly 1000 astronomical units from the star.

RU Lup Spiralmore_horiz

ALMA image of the planet-forming disk around the young star RU Lup. The inset image (lower left, red disk) shows a previous (DSHARP) observation of the dust disk with rings and gaps that hint at the presence of forming planets. The new observation shows a large spiral structure (in blue), made out of gas, that spans far beyond the compact dust disk.

RU Lupmore_horiz

Radio/Optical composite image of the edge-on spiral galaxy NGC 4217. Magnetic field lines (green), revealed by the VLA, extend far above and below the plane of the galaxy.

Magnetic Field of a Spiral Galaxymore_horiz

This colorful, multiwavelength image of the intricate remains of Supernova 1987A is produced with data from three different observatories. The red color shows dust and cold gas in the center of the supernova remnant, taken at radio wavelengths with ALMA. The green and blue hues reveal where the expanding shock wave from the exploded star is colliding with a ring of material around the supernova. The green represents the glow of visible light, captured by NASA's Hubble Space Telescope. The blue color reveals the hottest gas and is based on data from NASA's Chandra X-ray Observatory. The ring was initially made to glow by the flash of light from the original explosion. Over subsequent years the ring material has brightened considerably as the explosion's shock wave slams into it.

Multiwavelength image of Supernova 1987Amore_horiz

Extremely high-resolution ALMA images revealed a hot “blob” in the dusty core of Supernova 1987A (inset), which could be the location of the missing neutron star. The red color shows dust and cold gas in the center of the supernova remnant, taken at radio wavelengths with ALMA. The green and blue hues reveal where the expanding shock wave from the exploded star is colliding with a ring of material around the supernova. The green represents the glow of visible light, captured by NASA's Hubble Space Telescope. The blue color reveals the hottest gas and is based on data from NASA's Chandra X-ray Observatory. The ring was initially made to glow by the flash of light from the original explosion. Over subsequent years the ring material has brightened considerably as the explosion's shock wave slams into it.

“The blob” in Supernova 1987Amore_horiz

This artist's illustration of Supernova 1987A shows the dusty inner regions of the exploded star's remnants (red), in which a neutron star might be hiding. This inner region is contrasted with the outer shell (blue), where the energy from the supernova is colliding (green) with the envelope of gas ejected from the star prior to its powerful detonation.

Neutron star in Supernova 1987Amore_horiz

This animated gif shows the structure and motions (speed in direction towards the Sun) of gas in the forming cluster, as seen with ALMA (purple) on top of the infrared Hubble image. The color-scales from pink-purple to blue-purple represent the gas moving at different velocities, from 15km/s to 24 km/s. These motions are controlled by gravity, turbulence and wind and radiation pressure “feedback” from the new-born stars.

ALMA Mosaic Star Cluster (animated gif)more_horiz

Image of star cluster G286.21+0.17, caught in the act of formation. This is a multiwavelength mosaic of more than 750 ALMA radio images, and 9 Hubble infrared images. ALMA shows molecular clouds (purple) and Hubble shows stars and glowing dust (yellow and red).

ALMA Mosaic Star Clustermore_horiz

Artist's conception illustrating a disk of water-bearing gas orbiting the supermassive black hole at the core of a distant galaxy. By observing maser emission from such disks, astronomers can use geometry to measure the distance to the galaxies, a key requirement for calculating the Hubble Constant.

Megamasers and Cosmologymore_horiz

Artist's conception illustrates the phenomena that make up the new class of cosmic explosions called Fast Blue Optical Transients.

Fast Blue Optical Transientsmore_horiz

Artist's conception illustrates the differences in phenomena resulting from an "ordinary" core-collapse supernova explosion, an explosion creating a gamma-ray burst, and one creating a Fast Blue Optical Transient. Details in text.

FBOTs, Gamma-Ray Bursts, and Supernovaemore_horiz

Artist impression of the atmosphere of Antares. As seen with the naked eye (up until the photosphere), Antares is around 700 times larger than our sun, big enough to fill the solar system beyond the orbit of Mars (Solar System scale shown for comparison). But ALMA and VLA showed that its atmosphere, including the lower and upper chromosphere and wind zones, reaches out 12 times farther than that.

Antares Press Release Videomore_horiz

Radio images of Antares with ALMA and the VLA. ALMA observed Antares close to its surface in shorter wavelengths, and the longer wavelengths observed by the VLA revealed the star’s atmosphere further out. In the VLA image a huge wind is visible on the right, ejected from Antares and lit up by its smaller but hotter companion star Antares B.

Radio images of Antaresmore_horiz

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Artist illustration of Antaresmore_horiz

Artist impression of the atmosphere of Antares. As seen with the naked eye (up until the photosphere), Antares is around 700 times larger than our sun, big enough to fill the solar system beyond the orbit of Mars (Solar System scale shown for comparison). But ALMA and VLA showed that its atmosphere, including the lower and upper chromosphere and wind zones, reaches out 12 times farther than that.

Artist illustration of Antares’ Atmospheremore_horiz

Artist impression of the Wolfe Disk, a massive rotating disk galaxy in the early, dusty universe. The galaxy was initially discovered when ALMA examined the light from a more distant quasar (top left).

Wolfe Disk Press Release Videomore_horiz

Artist impression of the Wolfe Disk, a massive rotating disk galaxy in the early, dusty universe. The galaxy was initially discovered when ALMA examined the light from a more distant quasar (top left).

Wolfe Disk Artist Impressionmore_horiz

Showing images 163 - 180 of 1148

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