Tag Archive for 'Supernova'

This Hubble image shows NGC 6956, a barred spiral galaxy some 215 million light-years away in the constellation of Delphinus. Image credit: NASA / ESA / D. Jones, University of California, Santa Cruz / Gladys Kober, NASA & Catholic University of America.

Hubble Space Telescope Spots Cepheid Variables in NGC 6956

Dec 17, 2022 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have imaged the barred spiral galaxy NGC 6956, which is found in the constellation of Delphinus. This...

When neutron stars merge, they can produce radioactive ejecta that powers a kilonova signal, as this conceptual image shows. Image credit: Dreamstime.

Hybrid Neutron-Star Merger Detected for the First Time

Dec 7, 2022 by News Staff

Gamma-ray bursts (GRBs) come in two varieties, long and short. Long GRBs, which last a couple of seconds to one minute, form when a star at least 10 times...

This Hubble image shows DEM L 190, a young supernova remnant in the Large Magellanic Cloud. Image credit: NASA / ESA / Hubble / S. Kulkarni / Y. Chu.

Hubble Spots Colorful Supernova Remnant in Large Magellanic Cloud

Nov 28, 2022 by Enrico de Lazaro

The new Hubble image shows sheets and filaments of debris from a massive star that exploded as a supernova in the Large Magellanic Cloud, a nearby, small...

A multiply imaged supernova in the archival Hubble imaging of the Abell 370 galaxy-cluster field. Image credit: Chen et al., doi: 10.1038/s41586-022-05252-5.

Hubble Observes Early Phases of Supernova in Early Universe

Nov 9, 2022 by Enrico de Lazaro

The newly-discovered core-collapse supernova, or Type II supernova, seen at a lookback time of approximately 11.5 billion years, is strongly lensed by...

This image, taken by the OmegaCAM camera at ESO’s VLT Survey Telescope, shows a spectacular view of the orange and pink clouds that make up the Vela SNR. OmegaCAM can take images through several filters that let through light of different colors. In this particular image of the Vela SNR, four different filters were used, represented here by a combination of magenta, blue, green and red. Image credit: ESO / VPHAS+ Team / Cambridge Astronomical Survey Unit.

OmegaCAM Snaps Beautiful Image of Vela Supernova Remnant

Nov 1, 2022 by Enrico de Lazaro

Astronomers using the 268-million-pixel OmegaCAM instrument on ESO’s VLT Survey Telescope have captured a detailed image of the Vela supernova remnant,...

This composite image shows the supernova remnant Cassiopeia A, a structure resulting from the explosion of a star in the constellation of Cassiopeia. The blues represent data from NASA’s Chandra X-ray Observatory, the turquoise is from IXPE, and the gold is courtesy of the NASA/ESA Hubble Space Telescope. Image credit: NASA / CXC / SAO / NASA / MSFC / Vink et al. / STScI.

IXPE Maps Polarized X-Rays from Cassiopeia A

Oct 18, 2022 by News Staff

Cassiopeia A is a remnant that blew up as a supernova approximately 11,000 years ago. This composite image shows the supernova remnant Cassiopeia A, a...

Astronomers think GRB 221009A represents the birth of a new black hole formed within the heart of a collapsing star. In this illustration, the black hole drives powerful jets of particles traveling near the speed of light. The jets pierce through the star, emitting X-rays and gamma rays as they stream into space. Image credit: NASA / Swift / Cruz deWilde.

Astronomers Detect Record-Breaking Gamma-Ray Burst

Oct 16, 2022 by News Staff

GRB 221009A, a gamma-ray burst detected on October 9, 2022, is one of the nearest and possibly the most-energetic gamma-ray burst ever observed. It occurred...

Second Ever Interstellar Meteor Discovered

Oct 10, 2022 by Sergio Prostak

Both the first and second interstellar meteors, IM1 and IM2, are outliers in material strength and may have originated in supernova explosions, according...

This artist’s impression shows a field of Population III stars as they would have appeared a mere 100 million years after the Big Bang. Image credit: NOIRLab / NSF / AURA / J. da Silva / Spaceengine.

Astronomers May Have Spotted Traces of Material from Explosion of First-Generation Star

Sep 28, 2022 by News Staff

The very first stars likely formed when the Universe was only 100 million years old. Known as Population III stars, these stellar objects were so massive...

This composite image shows SNR 0519-69.0, a Type Ia supernova remnant in the Large Magellanic Cloud: X-ray data from Chandra with low, medium and high energies are shown in green, blue, and purple respectively, with some of these colors overlapping to appear white; optical data from Hubble shows the perimeter of the remnant in red and stars around the remnant in white. Image credit: NASA / CXC / GSFC / Williams et al. / STScI.

Astronomers Determine Age of Supernova Remnant in Large Magellanic Cloud

Sep 14, 2022 by News Staff

Light from a Type Ia supernova explosion that created the supernova remnant SNR 0519-69.0 in the Large Magellanic Cloud, a satellite galaxy of the Milky...

Zeta Ophiuchi was once in close orbit with another star, before being ejected when this companion was destroyed in a supernova explosion; infrared data from Spitzer reveal a spectacular shock wave (red and green) that was formed by matter blowing away from the star’s surface and slamming into gas in its path; data from Chandra (blue) show a bubble of X-ray emission located around the star, produced by gas that has been heated by the shock wave to tens of millions of degrees. Image credit: NASA / CXC / University of Cambridge / Sisk-Reynés et al. / NSF / NRAO / VLA / PanSTARRS.

Chandra Takes New Look at Giant Runaway Star Zeta Ophiuchi

Jul 26, 2022 by Enrico de Lazaro

Zeta Ophiuchi is a very massive, hot, bright blue star that once had a companion that exploded as a supernova. Zeta Ophiuchi was once in close orbit with...

Multi-wavelength image of Westerhout 50 (red - radio, green - optical, yellow - soft X-rays, magenta - medium energy X-rays, cyan - hard X-ray emission). The eastern lobe X-ray image highlights the XMM-Newton data (with the brightening at the edge of the field of view cropped here to highlight the source emission). The western lobe X-ray image shows only partial Chandra coverage of part of the nebula. Image credit: Safi-Harb et al., arXiv: 2207.00573.

Astronomers Find Evidence for Unusual Particle Acceleration in Manatee Nebula

Jul 5, 2022 by Sergio Prostak

Using ESA’s XMM-Newton X-ray observatory, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) and its Chandra X-ray Observatory, astronomers have...

Color images of NGC 1309 both before and after SN 2012Z. Image credit: NASA / ESA / Hubble / McCully et al., doi: 10.3847/1538-4357/ac3bbd.

Hubble Finds Half-Exploded Star in NGC 1309

Jun 24, 2022 by News Staff

There are different types of supernova explosions. Type Ia supernovae, also known as thermonuclear supernovae, occur in binary star systems. To trigger...

An artist’s impression of the quadruple system HD 74438. Image credit: University of Canterbury.

Type Ia Supernovae Can Occur in Quadruple Systems, Astronomers Suggest

May 16, 2022 by Enrico de Lazaro

Binary systems have received much attention as possible progenitors of Type Ia supernovae, but long-term gravitational effects in tight triple or quadruple...

This Hubble image shows DEM L 249, a remnant of Type Ia supernova located approximately 160,000 light-years away in the constellation of Mensa. Image credit: NASA / ESA / Hubble / Y. Chu.

Hubble Spots Tattered Remnant of Ancient Supernova in Large Magellanic Cloud

May 9, 2022 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured a detailed image of a supernova remnant called DEM L 249. This Hubble image shows DEM L 249, a remnant...

An artist’s illustration shows SN 2013ge, with its companion star at lower right. Image credit: NASA / ESA / Leah Hustak, STScI.

Majority of Massive Stars Form and Evolve as Binary Systems, New Research Suggests

May 5, 2022 by News Staff

In some supernova cases, astronomers find no trace of the former star’s outermost layer of hydrogen. What happened to the hydrogen? Suspicions that companion...

The position of J0624-6948 (small object at the center of the purple ring indicated by *) is indicated with respect to the Milky Way’s Galactic plane, the Large Magellanic Cloud and the Small Magellanic Cloud. Image credit: Axel Mellinger, Central Michigan University.

ASKAP Finds Rogue Supernova Remnant near Large Magellanic Cloud

Mar 30, 2022 by News Staff

Astronomers using the Australian Square Kilometre Array Pathfinder (ASKAP) have spotted a mysterious circular ring between the Milky Way’s plane and...

This image, captured in December 2021 by ESO’s New Technology Telescope, shows SN 2021afdx (lower left corner of the right image) in the Cartwheel Galaxy. Image credit: ESO / Inserra et al. / Amram et al.

Astronomers Spot Type II Supernova in Cartwheel Galaxy

Mar 7, 2022 by Enrico de Lazaro

ESO’s New Technology Telescope has captured a striking photo of SN 2021afdx, a Type II supernova that occurred in the Cartwheel Galaxy. This image, captured...

The complex, cirrus-like emission from the Galactic center super bubble dominates this MeerKAT image. This is traversed by the Radio Arc, a complex of many parallel radio filaments. The radio bubble nestles against the diffuse Sagittarius A region in the lower center of the image. The bright dot near the center of this region is Sagittarius A*. Image credit: I. Heywood, SARAO.

Astronomers Release Unprecedented Radio Image of Milky Way’s Center

Feb 2, 2022 by Enrico de Lazaro

A new image from the MeerKAT telescope at the South African Radio Astronomy Observatory (SARAO) in Cape Town, South Africa, shows radio emission from numerous...

An artist’s illustration of the Local Bubble with star formation occurring on the bubble’s surface. Image credit: Leah Hustak, Space Telescope Science Institute.

1,000-Light-Year-Wide Local Bubble is Responsible for Formation of All Nearby, Young Stars

Jan 12, 2022 by News Staff

Space Telescope Science Institute astronomer and data visualization expert Dr. Catherine Zucker and her colleagues have shown how a chain of events beginning...

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