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An artist’s impression of HR 6819, a close binary consisting of a stripped B-type star (background) and a rapidly rotating Be star (foreground). Image credit: ESO / L. Calçada.

Rare Be-Type Stars are in Fact Triple Stellar Systems, Astronomers Say

Nov 22, 2023 by News Staff

Be-type stars make up almost 20% of the B star population, and are rapidly rotating stars surrounded by a disk. Although these stars have been known for...

Rings of dust surrounding HL Tauri, with line patterns showing the orientation of polarized light. Image credit: NSF / AUI / NRAO / B. Saxton / Stephens et al.

ALMA Detects Dust Grains in Gaps of HL Tauri’s Protoplanetary Disk

Nov 21, 2023 by Enrico de Lazaro

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have captured a high-resolution image of HL Tauri, a young star in the constellation...

An estimated 500,000 stars shine in this image of Sagittarius C from Webb’s NIRCam instrument. Image credit: NASA / ESA / CSA / STScI / Samuel Crowe, University of Virginia.

Webb Spots Huge Cluster of Protostars in Milky Way’s Center: Sagittarius C

Nov 20, 2023 by Enrico de Lazaro

Sagittarius C lies approximately 300 light-years from Sagittarius A*, the 4.3-million-solar-mass black hole at the center of our Milky Way Galaxy. An estimated...

This Hubble image shows NGC 2814, an irregular galaxy some 85 million light-years away in the constellation of Ursa Major. Image credit: NASA / ESA / Hubble / C. Kilpatrick.

Hubble Sees Spectacular Irregular Galaxy

Nov 20, 2023 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has delivered an unrivalled snapshot of the irregular galaxy NGC 2814. This Hubble image shows NGC 2814, an irregular...

The artistic impression depicts the effect of GRB 221009A that provoked a significant disturbance in our planet’s ionosphere. Image credit: ESA / ATG Europe / CC BY-SA 3.0 IGO.

Powerful Gamma-Ray-Burst Caused Significant Disturbance in Earth’s Ionosphere, Astronomers Say

Nov 17, 2023 by News Staff

Using satellite observations, including from ESA’s International Gamma-Ray Astrophysics Laboratory (Integral) mission, and a new developed analytical...

An artist’s concept of the exoplanet LTT 1445Ac. Image credit: NASA / ESA / Leah Hustak, STScI.

Hubble Measures Size of Rocky Exoplanet LTT 1445Ac

Nov 16, 2023 by Natali Anderson

LTT 1445Ac, a terrestrial planet in the triple star system LTT 1445, is only 1.07 times the size of Earth, according to a paper to be published in the...

AT2022tsd is a fast and luminous extragalactic optical transient with rapid flares. Image credit: Ho et al., doi: 10.1038/s41586-023-06673-6.

Astronomers Detect Repeating Luminous Fast Blue Optical Transient

Nov 16, 2023 by News Staff

Astronomers have detected a mysterious and extremely bright event, named AT2022tsd, in a galaxy approximately 4.4 billion light-years away. AT2022tsd is...

This Euclid image shows NGC 6822, an irregular dwarf galaxy some 1.5 million light-years away in the constellation of Sagittarius. Image credit: ESA / NASA / Euclid / Euclid Consortium / J.-C. Cuillandre, CEA Paris-Saclay / G. Anselmi / CC BY-SA 3.0 IGO.

Euclid Images Irregular Dwarf Galaxy NGC 6822

Nov 16, 2023 by Enrico de Lazaro

ESA’s Euclid spacecraft has taken a stunning image of the irregular galaxy NGC 6822, which is located in the constellation of Sagittarius. This Euclid...

Meteoroids bombarded the Earth-Moon system 800 million years ago. Image credit: Murayama, Osaka University.

Can Comets Deliver Building Blocks for Life to Rocky Exoplanets?

Nov 15, 2023 by News Staff

In a paper published in the Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences, researchers at the University of Cambridge...

This Euclid image shows IC 342, a spiral galaxy 8.9 million light-years away in the constellation of Camelopardalis. Image credit: ESA / NASA / Euclid / Euclid Consortium / J.-C. Cuillandre, CEA Paris-Saclay / G. Anselmi / CC BY-SA 3.0 IGO.

Euclid Takes Close Look at IC 342

Nov 15, 2023 by Enrico de Lazaro

A new image from ESA’s Euclid mission provides a detailed look at the spiral galaxy IC 342, which is also known as the Hidden Galaxy. This Euclid image...

This Euclid image shows NGC 6397, a globular cluster some 7,800 light-years away in the constellation of Ara. Image credit: ESA / NASA / Euclid / Euclid Consortium / J.-C. Cuillandre, CEA Paris-Saclay / G. Anselmi / CC BY-SA 3.0 IGO.

Euclid Captures Best View Ever of Globular Cluster NGC 6397

Nov 14, 2023 by Enrico de Lazaro

The Euclid team has released a beautiful new image of NGC 6397, one of the closest globular clusters to Earth. NGC 6397, or GCl 74, is located 7,800 light-years...

Strongly nucleated dwarf galaxies, UCDs with envelopes and UCDs in the core of the Virgo Cluster. Image credit: Wang et al., doi: 10.1038/s41586-023-06650-z.

Astronomers Find Fossil Remnants of Ancient Dwarf Galaxies in Virgo Cluster

Nov 14, 2023 by News Staff

Astronomers using the Gemini North telescope have found the remnants of 106 galaxies as they transition into ultra-compact dwarf galaxies. Strongly nucleated...

This Hubble image shows NGC 1385, a barred spiral galaxy some 68 million light-years away in the constellation of Fornax. The color image is made up of observations from Hubble’s Wide Field Camera 3 (WFC3) in the ultraviolet, near-infrared, and optical parts of the spectrum. Six filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / R. Chandar / J. Lee / PHANGS-HST Team.

Hubble Views Barred Spiral Galaxy NGC 1385

Nov 13, 2023 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured an amazing new photo of NGC 1385, a barred spiral galaxy in the constellation of Fornax. This Hubble image...

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.

Euclid Captures Spectacular Image of Horsehead Nebula

Nov 9, 2023 by Enrico de Lazaro

The Euclid team has released a spectacularly panoramic and detailed image of the Horsehead nebula. This image from ESA’s Euclid spacecraft shows the...

Venus in real colors, processed from Mariner 10 images. Image credit: Mattias Malmer / NASA.

Astronomers Directly Detect Atomic Oxygen on Venus

Nov 8, 2023 by News Staff

Atomic oxygen is produced on the dayside of Venus by photolysis of carbon dioxide and carbon monoxide. Atomic oxygen is a key species in the mesosphere...

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...

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...

An artist’s concept of Kepler-385, the seven-planet system revealed in a new catalog of planet candidates discovered by NASA’s Kepler space telescope. Image credit: NASA / Daniel Rutter.

Kepler-385 Hosts Seven Large Exoplanets, Astronomers Say

Nov 6, 2023 by Natali Anderson

A new analysis of data from NASA’s retired Kepler space telescope has revealed a system of seven giant planets around Kepler-385. An artist’s concept...