Astronomy News

Hubble Observes Emission Nebula in Small Magellanic Cloud: NGC 261

This Hubble image shows NGC 261, an emission nebula some 200,000 light-years away from Earth in the constellation of Tucana. Image credit: NASA / ESA / L.C. Johnson, Northwestern University / Gladys Kober, NASA & Catholic University of America.
Aug 30, 2024 by Enrico de Lazaro

NGC 261 resides within the Small Magellanic Cloud, one of our Milky Way Galaxy’s closest neighbors. This Hubble image shows NGC 261, an emission nebula some 200,000 light-years away from Earth in the constellation of Tucana. Image credit: NASA / ESA / L.C. Johnson, Northwestern University / Gladys Kober, NASA & Catholic University of America. NGC 261 is a diffuse emission nebula located approximately 200,000 light-years away in the constellation...

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The Triangulum Galaxy is the third largest galaxy in our Local Group of galaxies. Image credit: NASA / ESA / M. Boyer, STScI / J. Dalcanton, University of Washington / Gladys Kober, NASA & Catholic University of America.

Hubble Sees Central Region of Triangulum Galaxy

Aug 28, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have taken a detailed image of a spectacular central part of the Triangulum Galaxy. The Triangulum...

The Pegasus dwarf spheroidal galaxy resides around 959,000 light-years away from the Andromeda Galaxy. Image credit: NASA / ESA / D. Weisz, University of California – Berkeley / Gladys Kober, NASA & Catholic University of America.

Hubble Zooms In On Pegasus Dwarf Spheroidal Galaxy

Aug 27, 2024 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured this spectacular image of the Pegasus dwarf spheroidal galaxy, a satellite of the Andromeda galaxy. The...

This artist’s impression shows the locations of multiple radio observatories across the planet, which participated in a pilot experiment conducted by the EHT Collaboration that obtained the highest-resolution observations from the ground. Image credit: ESO / M. Kornmesser.

EHT Makes Highest-Resolution Black Hole Detections Yet from Earth

Aug 27, 2024 by News Staff

Astrophysicists with the Event Horizon Telescope (EHT) Collaboration have conducted test observations achieving the highest resolution ever obtained from...

At an estimated mass of 5 Jupiter masses, NIRISS-NGC1333-5 (also known as NN5) is a good candidate to be the lowest-mass object found in NGC 1333 thus far and the lowest-mass object with a disk in any region identified to date. Image credit: Langeveld et al., doi: 10.3847/1538-3881/ad6f0c.

Webb Discovers Six Free-Floating Exoplanets in NGC 1333

Aug 27, 2024 by News Staff

Using the Near-Infrared Imager and Slitless Spectrograph (NIRISS) instrument on the NASA/ESA/CSA James Webb Space Telescope, astronomers have discovered...

This illustration shows what the activities of a Kardashev Type III civilisation might look like - encapsulating the energy of stars by so-called Dyson spheres is one way to harness enormous energies on galactic scales; the resulting waste heat products should be detectable by telescopes. Image credit: Danielle Futselaar / ASTRON.

Murchison Widefield Array Searches for Extragalactic Alien Technosignatures

Aug 26, 2024 by Natali Anderson

Astronomers using the Murchison Widefield Array in Western Australia have searched for alien signals at a 10 kHz spectral resolution originating from a...

Composite-color image of A2744-QSO1. Image credit: Furtak et al., doi: 10.1038/s41586-024-07184-8.

Early Galaxies Were Less Massive than Previously Thought

Aug 26, 2024 by News Staff

In a paper published today in the Astronomical Journal, astronomers analyzed the evolution of massive galaxies at redshifts of 4-8 selected from the JWST...

This Hubble image shows UGC 3478, a spiral galaxy located 128 million light-years away in the constellation of Camelopardalis. Image credit: NASA / ESA / Hubble / M. Koss / A. Barth.

Hubble Space Telescope Gazes at UGC 3478

Aug 26, 2024 by Enrico de Lazaro

A stunning new image taken with the NASA/ESA Hubble Space Telescope provides a detailed look at the spiral galaxy UGC 3478. This Hubble image shows UGC...

An artist’s impression of the super-Earth exoplanet HD 164922d. Image credit: Sci-News.com.

Super-Earths and Sub-Neptunes Contain Much More Water than Previously Thought

Aug 23, 2024 by News Staff

Water is an important component of exoplanets, with its distribution, that is, whether at the surface or deep inside, fundamentally influencing the planetary...

This artist’s impression displays TRAPPIST-1 and its planets reflected in a surface. Image credit: NASA / R. Hurt / T. Pyle.

TRAPPIST-1 System Was Formed in Two Steps, Study Suggests

Aug 21, 2024 by News Staff

TRAPPIST-1, an ultracool dwarf star located 38.8 light-years away in the constellation of Aquarius, hosts seven planets. The period ratios of neighboring...

This Hubble image shows UGC 4879, an irregular dwarf galaxy some 3.6 million light-years away in the constellation of Ursa Major. Image credit: NASA / ESA / Hubble / K. Chiboucas, NOIRLab & Gemini North / M. Monelli, Instituto de Astrofisica de Canarias / Gladys Kober, NASA & Catholic University of America.

Hubble Space Telescope Snaps New Image of UGC 4879

Aug 21, 2024 by Enrico de Lazaro

The Hubble astronomers have released a stunning new image snapped by the NASA/ESA Hubble Space Telescope of the dwarf irregular galaxy UGC 4879. This Hubble...

This false-color image of Polaris, captured by the CHARA Array in April 2021, reveals large bright and dark spots on the star’s surface. Image credit: Evans et al., doi: 10.3847/1538-4357/ad5e7a.

Astronomers Find Spots on Surface of Polaris

Aug 20, 2024 by News Staff

Astronomers using the Center for High Angular Resolution Astronomy (CHARA) Array have observed Polaris, a member of a triple system and the nearest and...

This composite image shows RCW 106, a star-forming region located in the southern constellation Norma, approximately 12,000 light-years away from Earth. The image imposes a red map of dense gas, imaged with the ArTéMiS camera at APEX, over an optical image taken with ESO’s VLT Survey Telescope. Image credit: ESO / M. Mattern et al.

Denser Molecular Clouds Are Not More Efficient at Forming Stars, Astrophysicists Say

Aug 19, 2024 by Natali Anderson

Despite recent progress, the question of what regulates the star formation efficiency in galaxies remains one of the most debated problems in astrophysics....

This Hubble image shows UGC 11861, a barred spiral galaxy located 69 million light-years away from Earth in the constellation of Cepheus. Image credit: NASA / ESA / Hubble / C. Kilpatrick.

Hubble Space Telescope Captures Image of Little-Known Barred Spiral Galaxy

Aug 19, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have produced a beautiful image of the barred spiral galaxy UGC 11861. This Hubble image shows UGC...

Keogram of (a) all-sky camera and (b) HySCAI, and (c) time evolution of space-averaged spectrum of aurora emission measured by HySCAI on October 20-21, 2023. Image credit: Yoshinuma et al., doi: 10.1186/s40623-024-02039-y.

Researchers Capture First Two-Dimensional Spectral Images of Aurorae

Aug 16, 2024 by News Staff

Two-dimensional (2D) aurora images with full spectrum have been captured by scientists in Japan using the newly-developed hyperspectral camera for auroral...

Jarmak et al. used Webb, shown in the bottom right corner of this illustration, to confirm the presence of hydrated minerals on the surface of Psyche. Image credit: Southwest Research Institute.

Study: Asteroid Psyche Originated beyond Solar System’s Snow Line and Later Migrated to Main Belt

Aug 13, 2024 by News Staff

Planetary scientists using spectral data from the NASA/ESA/CSA James Webb Space Telescope have confirmed the detection of hydroxyl molecules on the surface...

This Webb image shows Messier 106, a spiral galaxy located 20 million light-years away in the constellation of Canes Venatici. Image credit: NASA / ESA / CSA / Webb / J. Glenn.

Webb Observes Hidden Depths of Messier 106

Aug 12, 2024 by Enrico de Lazaro

NASA has released a stunning new image snapped by the NASA/ESA/CSA James Webb Space Telescope of the active, central part of the nearby spiral galaxy Messier...

Gaia spotted potential moons around 352 asteroids not known to have a companion. Image credit: ESA.

ESA’s Gaia Mission Discovers 352 New Binary Asteroid Candidates

Aug 12, 2024 by News Staff

Binary asteroids have attracted the attention of the scientific community due to their interesting properties and the significant impact they have on our...

This Hubble image shows LEDA 12535, a barred spiral galaxy some 320 million light-years away in the constellation of Perseus. The color composite was assembled from images taken by Hubble’s Wide Field Camera 3 (WFC3) in ultraviolet, visible, and near-infrared light. It is based on data obtained through three filters. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / I. Chilingarian.

Hubble Snaps Striking Barred Spiral Galaxy Image

Aug 12, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking new photo of LEDA 12535, a barred spiral galaxy situated in the famous Perseus...

An artist’s impression of the magnetar Swift J1818.0-1617. Image credit: NSF / AUI / NRAO / S. Dagnello.

VLBA Discovers New Insights about Fastest-Spinning Magnetar

Aug 8, 2024 by News Staff

Swift J1818.0-1617 is located approximately 22,000 light-years away in the constellation of Sagittarius. An artist’s impression of the magnetar Swift...

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