Tag Archive for 'Universe'

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.

Which Came First: Supermassive Black Holes or Galaxies? New Insights from Webb

Feb 6, 2024 by News Staff

New insights from the NASA/ESA/CSA James Webb Space Telescope upend theories of how black holes shape the cosmos, challenging classical understanding that...

This Hubble image shows N79, a star-forming region located 163,000 light-years away in the constellation of Dorado. Image credit: NASA / ESA / CSA / Webb / M. Meixner.

Webb Looks at Massive Star-Forming Complex in Large Magellanic Cloud

Jan 23, 2024 by News Staff

Using the Mid-InfraRed Instrument (MIRI) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured a spectacular image of N79, a region...

GN-z11. Image credit: NASA / ESA / P. Oesch, Yale University / G. Brammer, STScI / P. van Dokkum, Yale University / G. Illingworth, University of California, Santa Cruz.

Webb Detects Oldest Black Hole Yet Known

Jan 18, 2024 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected a small and vigorous black hole in GN-z11, an exceptionally luminous galaxy...

This artist’s concept shows the entire sky in gamma rays with magenta circles illustrating the uncertainty in the direction from which more high-energy gamma rays than average seem to be arriving. In this view, the plane of our Milky Way Galaxy runs across the middle of the map. The circles enclose regions with a 68% (inner) and a 95% chance of containing the origin of these gamma rays. Image credit: NASA’s Goddard Space Flight Center.

Fermi Spots Strange Extragalactic Gamma-Ray Feature

Jan 17, 2024 by News Staff

Intriguingly, the gamma-ray signal detected by NASA’s Fermi Gamma-ray Space Telescope is found in a similar direction and with a nearly identical magnitude...

This Hubble image shows the host galaxy of the exceptionally powerful fast radio burst FRB 20220610A. Image credit: NASA / ESA / STScI / Alexa Gordon, Northwestern University.

Record-Breaking Fast Radio Burst Localized to Extremely Distant Galaxy Group

Jan 10, 2024 by News Staff

A fast radio burst event called FRB 20220610A flashed in what seems like an unlikely place: a collection of at least seven galaxies that existed when the...

This Hubble image shows various distant galaxies in the constellation of Cetus: most of the galaxies are very small, but there are a few larger galaxies and some stars where detail can be made out; in the center there is an elliptical galaxy with a brightly glowing core and a broad disk; a reddish, warped ring of light, thicker at one side, surrounds its core; a small galaxy intersects the ring as a bright dot. Image credit: NASA / ESA / Hubble / H. Nayyeri / L. Marchetti / J. Lowenthal.

Hubble Sees Myriads of Distant Galaxies in Cetus

Jan 1, 2024 by Enrico de Lazaro

A new infrared image, taken with the Wide Field Camera 3 (WFC3) on board the NASA/ESA Hubble Space Telescope, shows dozens of galaxies — including...

The Fermi team made an all-sky time-lapse movie using 14 years of data acquired by Fermi’s Large Area Telescope. Image credit: NASA’s Goddard Space Flight Center / DOE / LAT Collaboration.

Fermi Produces Unique Time-Lapse Tour of Gamma-Ray Sky

Dec 28, 2023 by News Staff

A new movie from NASA’s Fermi mission shows the intensity of gamma rays — the highest-energy form of light — with energies above 200 million...

An artist’s impression of the different layers inside a massive neutron star, with the red circle representing a sizable quark-matter core. Image credit: Jyrki Hokkanen, CSC.

Massive Neutron Stars Could Contain Cores Made of Deconfined Quark Matter

Dec 28, 2023 by Enrico de Lazaro

Neutron-star cores contain matter at the highest densities in our Universe. This highly compressed matter may undergo a phase transition where nuclear...

This simulation illustrates a galaxy disk being disturbed, leading to the propagation of a seismic ripple throughout the disk. Image credit: Bland-Hawthorn & Tepper-Garcia, University of Sydney.

ALMA Detects Seismic Ripples in Disk of Ancient Barred Spiral Galaxy

Dec 26, 2023 by Enrico de Lazaro

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed a disk bending wave in BRI 1335-0417, the oldest known spiral galaxy...

These NIRCam/Webb images show the multiply-imaged supernova Encore in the distant galaxy MRG-M0138. Two images of Encore (circled) are seen here, but an additional supernova image is expected to become visible around 2035. Image credit: NASA / ESA / CSA / STScI / Justin Pierel, STScI / Andrew Newman, Carnegie Institution for Science.

Webb Discovers Gravitationally-Lensed Supernova 10 Billion Light-Years from Earth

Dec 22, 2023 by News Staff

A Type Ia supernova named Encore is the second multiply-imaged supernova detected in MRG-M0138, a galaxy around 10 billion light-years away in the constellation...

The merger of two neutron stars is among the leading candidate sites for synthesizing the heavier elements on the periodic table through the r-process. Image credit: Matthew Mumpower, Los Alamos National Laboratory.

Ancient Stars were Capable of Producing Elements with Atomic Masses Greater than 260, Scientists Say

Dec 11, 2023 by News Staff

The rapid neutron capture process, or the so-called r-process, occurs in neutron-rich environments such as neutron star mergers or certain types of supernovae....

This infrared image from Hubble shows Milky Way’s nuclear star cluster, the densest and most massive star cluster in our Galaxy. Image credit: NASA / ESA / Hubble Heritage Team / STScI / AURA / T. Do & A. Ghez, UCLA / V. Bajaj, STScI.

Astronomers Find Three Young Stars in Milky Way’s Nuclear Star Cluster

Dec 8, 2023 by Enrico de Lazaro

The oldest of these stars is 1.5 billion years old while the youngest is only 100 million years old, according to a paper published in the Astrophysical...

An artist’s illustration of the Amaterasu particle observed by a surface detector array of the Telescope Array experiment. Image credit: Osaka Metropolitan University / L-INSIGHT, Kyoto University / Ryuunosuke Takeshige.

Astrophysicists Detect Second Highest-Energy Cosmic Ray Ever

Nov 23, 2023 by News Staff

Astrophysicists using the Telescope Array experiment in Utah, the United States, have detected the second-highest extreme-energy cosmic ray. An artist’s...

This Webb image shows member galaxies of the galaxy cluster A2744-z7p9OD. Image credit: NASA / ESA / CSA / T. Morishita, IPAC / A. Pagan, STScI.

Astronomers Detect Nickel and Other Unexpected Elements in Early Star-Forming Galaxies

Nov 23, 2023 by News Staff

Ancient starburst galaxies that formed 2-3 billion years after the Big Bang are unusually hot and contain unexpected elements, like nickel, according to...

This image from ESA’s Euclid spacecraft shows the Perseus galaxy cluster. Image credit: ESA / Euclid / Euclid Consortium / NASA / J.-C. Cuillandre, CEA Paris-Saclay / G. Anselmi / CC BY-SA 3.0 IGO.

Euclid Focuses on Perseus Galaxy Cluster

Nov 8, 2023 by Enrico de Lazaro

A new image from ESA’s Euclid telescope shows approximately 1,000 galaxies belonging to the Perseus cluster — a cluster of galaxies 240 million...

This image from ESA’s Euclid spacecraft shows the Horsehead Nebula, also known as Barnard 33, a giant star-forming region located 1,375 light-years away in the constellation of Orion. Image credit: ESA / Euclid / Euclid Consortium / NASA / J.-C. Cuillandre, CEA Paris-Saclay / G. Anselmi / CC BY-SA 3.0 IGO.

ESA’s Euclid Mission Releases Its First Science Images

Nov 7, 2023 by News Staff

Euclid — built and operated by ESA, with contributions from NASA — has captured full-color images of a large cluster of galaxies, close-ups...

Bogdán et al. and Goulding et al. combined data from Webb and Chandra to identify the growing black hole at the center of UHZ1. Image credit: NASA / CXC / SAO / Bogdán et al. / ESA / CSA / STScI / L. Frattare / K. Arcand.

Growing Supermassive Black Hole Detected in Early Universe

Nov 7, 2023 by Enrico de Lazaro

Observations of quasars reveal that many supermassive black holes were in place less than 700 million years after the Big Bang. However, the origin of...

The I-LOFAR radio telescope. Image credit: I-LOFAR.

Astronomers Use Multi-Telescope Technique to Scan Milky Way for Alien Technosignatures

Oct 25, 2023 by Natali Anderson

Astronomers from Trinity College Dublin, the Breakthrough Listen project and Onsala Space Observatory have demonstrated the effectiveness of using multisite...

This artist’s impression illustrates the path of FRB 20220610A, from a group of distant galaxies where it originated all the way to Earth, in one of the Milky Way’s spiral arms. Image credit: M. Kornmesser / ESO.

Astronomers Discover Farthest Fast Radio Burst Yet

Oct 20, 2023 by News Staff

Fast radio bursts (FRBs) are millisecond-duration pulses of radio emission originating from extragalactic sources. An international team of astronomers...

Masses, sizes, and relative densities of objects in our Universe. Image credit: Charles H. Lineweaver & Vihan M. Patel, doi: 10.1119/5.0150209.

Astrophysicists Put All Objects in Universe into One Pedagogical Plot

Oct 19, 2023 by News Staff

In a new paper, astrophysicists from Australian National University present an overview of the thermal history of our Universe and the sequence of objects...

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